Y
         n 1: a silvery metallic element that is common in rare-earth
               minerals; used in magnesium and aluminum alloys [syn:
               {yttrium}, {Y}, {atomic number 39}]
         2: the 25th letter of the Roman alphabet [syn: {Y}, {y}, {wye}]

English Dictionary: Y	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
Yahi n a member of an extinct North American Indian people who lived in northern California the Yanan language spoken by the Yahi
From WordNet (r) 3.0 (2006) [wn]:
yahoo n a person who is not very intelligent or interested in culture Synonym(s): yokel, rube, hick, yahoo, hayseed, bumpkin, chawbacon one of a race of brutes resembling men but subject to the Houyhnhnms in a novel by Jonathan Swift a widely used search engine for the web that finds information, news, images, products, finance
From WordNet (r) 3.0 (2006) [wn]:
Yahwe n a name for the God of the Old Testament as transliterated from the Hebrew consonants YHVH Synonym(s): Yahweh, YHWH, Yahwe, Yahveh, YHVH, Yahve, Wahvey, Jahvey, Jahweh, Jehovah, JHVH
From WordNet (r) 3.0 (2006) [wn]:
Yahweh n a name for the God of the Old Testament as transliterated from the Hebrew consonants YHVH Synonym(s): Yahweh, YHWH, Yahwe, Yahveh, YHVH, Yahve, Wahvey, Jahvey, Jahweh, Jehovah, JHVH
From WordNet (r) 3.0 (2006) [wn]:
yaw n an erratic deflection from an intended course [syn: yaw, swerve] v be wide open; "the deep gaping canyon" [syn: gape, yawn, yaw] deviate erratically from a set course; "the yawing motion of the ship" swerve off course momentarily; "the ship yawed when the huge waves hit it"
From WordNet (r) 3.0 (2006) [wn]:
Yay n a branch of the Tai languages
From WordNet (r) 3.0 (2006) [wn]:
yea adv not only so, but; "I therein do rejoice, yea, and will rejoice" Synonym(s): yea, yeah n an affirmative; "The yeas have it" Antonym(s): nay
From WordNet (r) 3.0 (2006) [wn]:
yeah adv not only so, but; "I therein do rejoice, yea, and will rejoice" Synonym(s): yea, yeah
From WordNet (r) 3.0 (2006) [wn]:
yew n wood of a yew; especially the durable fine-grained light brown or red wood of the English yew valued for cabinetwork and archery bows any of numerous evergreen trees or shrubs having red cup- shaped berries and flattened needlelike leaves
From WordNet (r) 3.0 (2006) [wn]:
YHWH n a name for the God of the Old Testament as transliterated from the Hebrew consonants YHVH Synonym(s): Yahweh, YHWH, Yahwe, Yahveh, YHVH, Yahve, Wahvey, Jahvey, Jahweh, Jehovah, JHVH
From WordNet (r) 3.0 (2006) [wn]:
Yi n a Loloish language Synonym(s): Lolo, Yi
From WordNet (r) 3.0 (2006) [wn]:
yo-yo n a toy consisting of a spool that is reeled up and down on a string by motions of the hand
From WordNet (r) 3.0 (2006) [wn]:
Yue n the dialect of Chinese spoken in Canton and neighboring provinces and in Hong Kong and elsewhere outside China Synonym(s): Yue, Yue dialect, Cantonese, Cantonese dialect
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y \Y\ ([imac]), pron.       I. [Obs.] --King Horn. Wyclif.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y- \Y-\, [or] I- \I-\ . [OE. y-, i-, AS. ge-, akin to D. & G.       ge-, OHG. gi-, ga-, Goth. ga-, and perhaps to Latin con-;       originally meaning, together. Cf. {Com-}, {Aware}, {Enough},       {Handiwork}, {Ywis}.]       A prefix of obscure meaning, originally used with verbs,       adverbs, adjectives, nouns, and pronouns. In the Middle       English period, it was little employed except with verbs,       being chiefly used with past participles, though occasionally       with the infinitive Ycleped, or yclept, is perhaps the only       word not entirely obsolete which shows this use.                   That no wight mighte it see neither yheere. --Chaucer.                   Neither to ben yburied nor ybrent.         --Chaucer.          Note: Some examples of Chaucer's use of this prefix are; ibe,                ibeen, icaught, ycome, ydo, idoon, ygo, iproved,                ywrought. It inough, enough, it is combined with an                adjective. Other examples are in the Vocabulary.                Spenser and later writers frequently employed this                prefix when affecting an archaic style, and sometimes                used it incorrectly.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y \Y\ (w[imac]).       Y, the twenty-fifth letter of the English alphabet, at the       beginning of a word or syllable, except when a prefix (see       Y-), is usually a fricative vocal consonant; as a prefix, and       usually in the middle or at the end of a syllable, it is a       vowel. See Guide to Pronunciation, [sect][sect] 145, 178-9,       272.          Note: It derives its form from the Latin Y, which is from the                Greek [UPSILON], originally the same letter as V.                Etymologically, it is most nearly related to u, i, o,                and j. g; as in full, fill, AS. fyllan; E. crypt,                grotto; young, juvenile; day, AS. d[91]g. See {U}, {I},                and {J}, {G}.          Note: Y has been called the Pythagorean letter, because the                Greek letter [UPSILON] was taken represent the sacred                triad, formed by the duad proceeding from the monad;                and also because it represents the dividing of the                paths of vice and virtue in the development of human                life.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y \Y\ (w[imac]), n.; pl. {Y's} (w[imac]z) or {Ys}.       Something shaped like the letter Y; a forked piece resembling       in form the letter Y. Specifically:       (a) One of the forked holders for supporting the telescope of             a leveling instrument, or the axis of a theodolite; a             wye.       (b) A forked or bifurcated pipe fitting.       (c) (Railroads) A portion of track consisting of two             diverging tracks connected by a cross track.          {Y level} (Surv.), an instrument for measuring differences of             level by means of a telescope resting in Y's.          {Y moth} (Zo[94]l.), a handsome European noctuid moth {Plusia             gamma}) which has a bright, silvery mark, shaped like the             letter Y, on each of the fore wings. Its larva, which is             green with five dorsal white species, feeds on the             cabbage, turnip, bean, etc. Called also {gamma moth}, and             {silver Y}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y \Y\ ([imac]), pron.       I. [Obs.] --King Horn. Wyclif.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y- \Y-\, [or] I- \I-\ . [OE. y-, i-, AS. ge-, akin to D. & G.       ge-, OHG. gi-, ga-, Goth. ga-, and perhaps to Latin con-;       originally meaning, together. Cf. {Com-}, {Aware}, {Enough},       {Handiwork}, {Ywis}.]       A prefix of obscure meaning, originally used with verbs,       adverbs, adjectives, nouns, and pronouns. In the Middle       English period, it was little employed except with verbs,       being chiefly used with past participles, though occasionally       with the infinitive Ycleped, or yclept, is perhaps the only       word not entirely obsolete which shows this use.                   That no wight mighte it see neither yheere. --Chaucer.                   Neither to ben yburied nor ybrent.         --Chaucer.          Note: Some examples of Chaucer's use of this prefix are; ibe,                ibeen, icaught, ycome, ydo, idoon, ygo, iproved,                ywrought. It inough, enough, it is combined with an                adjective. Other examples are in the Vocabulary.                Spenser and later writers frequently employed this                prefix when affecting an archaic style, and sometimes                used it incorrectly.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y \Y\ (w[imac]).       Y, the twenty-fifth letter of the English alphabet, at the       beginning of a word or syllable, except when a prefix (see       Y-), is usually a fricative vocal consonant; as a prefix, and       usually in the middle or at the end of a syllable, it is a       vowel. See Guide to Pronunciation, [sect][sect] 145, 178-9,       272.          Note: It derives its form from the Latin Y, which is from the                Greek [UPSILON], originally the same letter as V.                Etymologically, it is most nearly related to u, i, o,                and j. g; as in full, fill, AS. fyllan; E. crypt,                grotto; young, juvenile; day, AS. d[91]g. See {U}, {I},                and {J}, {G}.          Note: Y has been called the Pythagorean letter, because the                Greek letter [UPSILON] was taken represent the sacred                triad, formed by the duad proceeding from the monad;                and also because it represents the dividing of the                paths of vice and virtue in the development of human                life.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y \Y\ (w[imac]), n.; pl. {Y's} (w[imac]z) or {Ys}.       Something shaped like the letter Y; a forked piece resembling       in form the letter Y. Specifically:       (a) One of the forked holders for supporting the telescope of             a leveling instrument, or the axis of a theodolite; a             wye.       (b) A forked or bifurcated pipe fitting.       (c) (Railroads) A portion of track consisting of two             diverging tracks connected by a cross track.          {Y level} (Surv.), an instrument for measuring differences of             level by means of a telescope resting in Y's.          {Y moth} (Zo[94]l.), a handsome European noctuid moth {Plusia             gamma}) which has a bright, silvery mark, shaped like the             letter Y, on each of the fore wings. Its larva, which is             green with five dorsal white species, feeds on the             cabbage, turnip, bean, etc. Called also {gamma moth}, and             {silver Y}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y \Y\ ([imac]), pron.       I. [Obs.] --King Horn. Wyclif.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y- \Y-\, [or] I- \I-\ . [OE. y-, i-, AS. ge-, akin to D. & G.       ge-, OHG. gi-, ga-, Goth. ga-, and perhaps to Latin con-;       originally meaning, together. Cf. {Com-}, {Aware}, {Enough},       {Handiwork}, {Ywis}.]       A prefix of obscure meaning, originally used with verbs,       adverbs, adjectives, nouns, and pronouns. In the Middle       English period, it was little employed except with verbs,       being chiefly used with past participles, though occasionally       with the infinitive Ycleped, or yclept, is perhaps the only       word not entirely obsolete which shows this use.                   That no wight mighte it see neither yheere. --Chaucer.                   Neither to ben yburied nor ybrent.         --Chaucer.          Note: Some examples of Chaucer's use of this prefix are; ibe,                ibeen, icaught, ycome, ydo, idoon, ygo, iproved,                ywrought. It inough, enough, it is combined with an                adjective. Other examples are in the Vocabulary.                Spenser and later writers frequently employed this                prefix when affecting an archaic style, and sometimes                used it incorrectly.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y \Y\ (w[imac]).       Y, the twenty-fifth letter of the English alphabet, at the       beginning of a word or syllable, except when a prefix (see       Y-), is usually a fricative vocal consonant; as a prefix, and       usually in the middle or at the end of a syllable, it is a       vowel. See Guide to Pronunciation, [sect][sect] 145, 178-9,       272.          Note: It derives its form from the Latin Y, which is from the                Greek [UPSILON], originally the same letter as V.                Etymologically, it is most nearly related to u, i, o,                and j. g; as in full, fill, AS. fyllan; E. crypt,                grotto; young, juvenile; day, AS. d[91]g. See {U}, {I},                and {J}, {G}.          Note: Y has been called the Pythagorean letter, because the                Greek letter [UPSILON] was taken represent the sacred                triad, formed by the duad proceeding from the monad;                and also because it represents the dividing of the                paths of vice and virtue in the development of human                life.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y \Y\ (w[imac]), n.; pl. {Y's} (w[imac]z) or {Ys}.       Something shaped like the letter Y; a forked piece resembling       in form the letter Y. Specifically:       (a) One of the forked holders for supporting the telescope of             a leveling instrument, or the axis of a theodolite; a             wye.       (b) A forked or bifurcated pipe fitting.       (c) (Railroads) A portion of track consisting of two             diverging tracks connected by a cross track.          {Y level} (Surv.), an instrument for measuring differences of             level by means of a telescope resting in Y's.          {Y moth} (Zo[94]l.), a handsome European noctuid moth {Plusia             gamma}) which has a bright, silvery mark, shaped like the             letter Y, on each of the fore wings. Its larva, which is             green with five dorsal white species, feeds on the             cabbage, turnip, bean, etc. Called also {gamma moth}, and             {silver Y}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yttria \Yt"tri*a\, n. [NL. See {Yttrium}.] (Chem.)       The oxide, {Y2O3}, or earth, of yttrium.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Y89 \Y"[89]\ ([emac]"[eit]), n.; pl. {Y[89]n} ([emac]"[eit]n).       An eye. [Obs.]                   From his y[89]n ran the water down.         --Chaucer.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Ya \Ya\ (y[aum]), adv.       Yea. [Obs.] --Chaucer.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yahoo \Ya"hoo\, n.       1. One of a race of filthy brutes in Swift's [bd]Gulliver's             Travels.[b8] See in the Dictionary of Noted Names in             Fiction.          2. Hence, any brutish or vicious character.          3. A raw countryman; a lout; a greenhorn. [U. S.]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yahweh \Yah"weh\, Yahwe \Yah"we\, n. Also Jahveh \Jah"veh\,    Jahve \Jah"ve\, etc.       A modern transliteration of the Hebrew word translated       {Jehovah} in the Bible; -- used by some critics to       discriminate the tribal god of the ancient Hebrews from the       Christian Jehovah. Yahweh or {Yahwe} is the spelling now       generally adopted by scholars.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yahweh \Yah"weh\, Yahwe \Yah"we\, n. Also Jahveh \Jah"veh\,    Jahve \Jah"ve\, etc.       A modern transliteration of the Hebrew word translated       {Jehovah} in the Bible; -- used by some critics to       discriminate the tribal god of the ancient Hebrews from the       Christian Jehovah. Yahweh or {Yahwe} is the spelling now       generally adopted by scholars.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yaw \Yaw\, v. i. [imp. & p. p. {Yawed}; p. pr. & vb. n.       {Yawing}.] [Cf. {Yew}, v. i.]       To rise in blisters, breaking in white froth, as cane juice       in the clarifiers in sugar works.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yaw \Yaw\, v. i. & t. [Cf. Prov. G. gagen to rock, gageln to       totter, shake, Norw. gaga to bend backward, Icel. gagr bent       back, gaga to throw the neck back.] (Naut.)       To steer wild, or out of the line of her course; to deviate       from her course, as when struck by a heavy sea; -- said of a       ship.                   Just as he would lay the ship's course, all yawing                being out of the question.                     --Lowell.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yaw \Yaw\, n. (Naut.)       A movement of a vessel by which she temporarily alters her       course; a deviation from a straight course in steering.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yawi \Yawi\, n.       A fore-and-aft-rigged vessel with a mainmast stepped a little       farther forward than in a sloop and carrying a mainsail and       jibs, with a jigger mast far aft, usually placed abaft the       rudder post.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Ye \Ye\ (y[amac]), adv. [See {Yea}.]       Yea; yes. [Obs.] --Chaucer.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Ye \Ye\ ([th][emac]),       an old method of printing the article the (AS. [thorn]e), the       [bd]y[b8] being used in place of the Anglo-Saxon thorn       ([thorn]). It is sometimes incorrectly pronounced y[c7]. See       {The}, and {Thorn}, n., 4.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Ye \Ye\ (y[emac]), pron. [OE. ye, [f4]e, nom. pl., AS. ge,       g[imac]; cf. OS. ge, g[c6], OFries. g[c6], [c6], D. gij, Dan.       & Sw. i, Icel. [emac]r, OHG. ir, G. ihr, Goth. jus, Lith.       jus, Gr. "ymei^s, Skr. yuyam. [root]189.]       The plural of the pronoun of the second person in the       nominative case.                   Ye ben to me right welcome heartily.      --Chaucer.                   But ye are washed, but ye are sanctified. --1 Cor. vi.                                                                               11.                   This would cost you your life in case ye were a man.                                                                               --Udall.          Note: In Old English ye was used only as a nominative, and                you only as a dative or objective. In the 16th century,                however, ye and you became confused and were often used                interchangeably, both as nominatives and objectives,                and you has now superseded ye except in solemn or                poetic use. See {You}, and also the first Note under                {Thou}.                            Vain pomp and glory of this world, I hate ye.                                                                               --Shak.                            I come, kind gentlemen, strange news to tell ye.                                                                               --Dryden.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yea \Yea\, n.       An affirmative vote; one who votes in the affirmative; as, a       vote by yeas and nays.          Note: In the Scriptures, yea is used as a sign of certainty                or stability. [bd]All the promises of God in him are                yea, and in him Amen.[b8] --2 Cor. i. 20.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yea \Yea\ (y[amac] [or] y[emac]; 277), adv. [OE. ye, ya, [f4]e,       [f4]a, AS. ge[a0]; akin to OFries. g[emac], i[emac], OS., D.,       OHG., G., Dan. & Sw. ja, Icel, j[be], Goth. ja, jai, and       probably to Gr. "h^ truly, verily. [root]188. Cf. {Yes}.]       1. Yes; ay; a word expressing assent, or an affirmative, or             an affirmative answer to a question, now superseded by             yes. See {Yes}.                         Let your communication be yea, yea; nay, nay.                                                                               --Matt. v. 37.          2. More than this; not only so, but; -- used to mark the             addition of a more specific or more emphatic clause. Cf.             {Nay}, adv., 2.                         I therein do rejoice, yea, and will rejoice. --Phil.                                                                               i. 18.          Note: Yea sometimes introduces a clause, with the sense of                indeed, verily, truly. [bd]Yea, hath God said, Ye shall                not eat of every tree of the garden?[b8] --Gen. iii. 1.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yew \Yew\ ([umac]), v. i.       See {Yaw}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yew \Yew\, n. [OE. ew, AS. e[a2]w, [c6]w, eoh; akin to D. ijf,       OHG. [c6]wa, [c6]ha, G. eibe, Icel. [ymac]r; cf. Ir. iubhar,       Gael. iubhar, iughar, W. yw, ywen, Lith. j[89]va the black       alder tree.]       1. (Bot.) An evergreen tree ({Taxus baccata}) of Europe,             allied to the pines, but having a peculiar berrylike fruit             instead of a cone. It frequently grows in British             churchyards.          2. The wood of the yew. It is light red in color, compact,             fine-grained, and very elastic. It is preferred to all             other kinds of wood for bows and whipstocks, the best for             these purposes coming from Spain.          Note: The {American yew} ({Taxus baccata}, var. {Canadensis})                is a low and straggling or prostrate bush, never                forming an erect trunk. The {California yew} ({Taxus                brevifolia}) is a good-sized tree, and its wood is used                for bows, spear handles, paddles, and other similar                implements. Another yew is found in Florida, and there                are species in Japan and the Himalayas.          3. A bow for shooting, made of the yew.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yew \Yew\ ([umac]), a.       Of or pertaining to yew trees; made of the wood of a yew       tree; as, a yew whipstock.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
You \You\ ([umac]), pron. [Possess. {Your} ([umac]r) or {Yours}       ([umac]rz); dat. & obj. {You}.] [OE. you, eou, eow, dat. &       acc., AS. e[a2]w, used as dat. & acc. of ge, g[emac], ye;       akin to OFries. iu, io, D. u, G. euch, OHG. iu, dat., iuwih,       acc., Icel. y[edh]r, dat. & acc., Goth. izwis; of uncertain       origin. [root]189. Cf. {Your}.]       The pronoun of the second person, in the nominative, dative,       and objective case, indicating the person or persons       addressed. See the Note under {Ye}.                   Ye go to Canterbury; God you speed.         --Chaucer.                   Good sir, I do in friendship counsel you To leave this                place.                                                   --Shak.                   In vain you tell your parting lover You wish fair winds                may waft him over.                                 --Prior.          Note: Though you is properly a plural, it is in all ordinary                discourse used also in addressing a single person, yet                properly always with a plural verb. [bd]Are you he that                hangs the verses on the trees, wherein Rosalind is so                admired ?[b8] --Shak. You and your are sometimes used                indefinitely, like we, they, one, to express persons                not specified. [bd]The looks at a distance like a                new-plowed land; but as you come near it, you see                nothing but a long heap of heavy, disjointed clods.[b8]                --Addison. [bd]Your medalist and critic are much nearer                related than the world imagine.[b8] --Addison. [bd]It                is always pleasant to be forced to do what you wish to                do, but what, until pressed, you dare not attempt.[b8]                --Hook. You is often used reflexively for yourself of                yourselves. [bd]Your highness shall repose you at the                tower.[b8] --Shak.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Thou \Thou\, pron. [Sing.: nom. {Thou}; poss. {Thy}or {Thine};       obj. {Thee}. Pl.: nom. {You}; poss. {Your}or {Yours}; obj.       {You}.] [OE. thou, [thorn]u, AS. [edh][umac], [edh]u; akin to       OS. & OFries. thu, G., Dan. & Sw. du, Icel. [thorn][umac],       Goth. [thorn]u, Russ. tui, Ir. & Gael. tu, W. ti, L. tu, Gr.       sy`, Dor. ty`, Skr. tvam. [fb]185. Cf. {Thee}, {Thine}, {Te       Deum}.]       The second personal pronoun, in the singular number, denoting       the person addressed; thyself; the pronoun which is used in       addressing persons in the solemn or poetical style.                   Art thou he that should come?                  --Matt. xi. 3.          Note: [bd]In Old English, generally, thou is the language of                a lord to a servant, of an equal to an equal, and                expresses also companionship, love, permission,                defiance, scorn, threatening: whilst ye is the language                of a servant to a lord, and of compliment, and further                expresses honor, submission, or entreaty.[b8] --Skeat.          Note: Thou is now sometimes used by the Friends, or Quakers,                in familiar discourse, though most of them corruptly                say thee instead of thou.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yow \Yow\, pron.       You. [Obs.] --Chaucer.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Yowe \Yowe\, n. [See {Ewe}.] (Zo[94]l.)       A ewe. [Prov. Eng. & Scot.] --G. Eliot.
From U.S. Gazetteer (1990) [gazetteer]:
Yoe, PA (borough, FIPS 87040)       Location: 39.90972 N, 76.63663 W       Population (1990): 947 (429 housing units)       Area: 0.6 sq km (land), 0.0 sq km (water)       Zip code(s): 17313
From Jargon File (4.2.0, 31 JAN 2000) [jargon]:
YA- abbrev.   [Yet Another] In hackish acronyms this almost    invariably expands to {Yet Another}, following the precedent set by    Unix `yacc(1)' (Yet Another Compiler-Compiler).   See {YABA}.
From Jargon File (4.2.0, 31 JAN 2000) [jargon]:
Yow! /yow/ interj.   [from "Zippy the Pinhead" comix] A favored    hacker expression of humorous surprise or emphasis.   "Yow!   Check    out what happens when you twiddle the foo option on this display    hack!"   Compare {gurfle}.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
Y          1. General purpose language syntactically like {RATFOR},       semantically like {C}.   Lacks structures and pointers.   Used       as a source language for Jack W. Davidson and Christopher       W. Fraser's peephole optimiser which inspired {GCC} {RTL} and       other optimisation ideas.          {(ftp://ftp.cs.princeton.edu/pub/y+po.tar.Z)}.   It is a copy       of the original distribution from the {University of Arizona}       during the early 80's, totally unsupported.          ["The Y Programming Language", D.R. Hanson, SIGPLAN Notices       16(2):59-68 (Feb 1981)].          [Jack W. Davidson and Christopher W. Fraser, "The Design and       Application of a Retargetable Peephole Optimiser", TOPLAS,       Apr.   1980].          [Jack W. Davidson, "Simplifying Code Through Peephole       Optimisation" Technical Report TR81-19, The University of       Arizona, Tucson, AZ, 1981].          [Jack W. Davidson and Christopher W. Fraser, "Register       Allocation and Exhaustive Peephole Optimisation"       Software-Practice and Experience, Sep. 1984].          2. See {fixed point combinator}.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
YA-          {Yet Another}
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
Yaa          Yet Another Assembler - Macro assembler for GCOS 8 and Mark       III on Bull DPS-8 machines.   Available from Bull as part of U       Waterloo Tools package (maintained by ).
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
Yahoo          Yet Another Hierarchical       Officious/Obstreperous/Odiferous/Organized Oracle.          (Or a member of a race of brutes in Swift's Gulliver's Travels       who have the form and all the vices of man, or an uncouth or       rowdy person).          Probably the biggest hierarchical index of the {World-Wide       Web}.   Originally at {Stanford University}, Yahoo moved to its       own site in April 1995.   It allows you to move up and down the       heirarchy, to search it and to suggest additions.   It also       features "What's New", "What's Popular", "What's Cool" and a       random link.          {Home (http://www.yahoo.com/)}.          (1995-04-05)
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
Yay          {Yet Another Yacc}
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
ye          The {country code} for Yemen.          (1999-01-27)
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
Yow!          /yow/ (From "Zippy the Pinhead" comics) A       favoured hacker expression of humorous surprise or emphasis.       "Yow!   Check out what happens when you twiddle the foo option       on this display hack!"          Compare {gurfle}.          [{Jargon File}]          (1995-03-07)
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
yu          The {country code} for the former Yugoslavia.          (1999-01-27)