quadrilateral
         adj 1: having four sides [syn: {quadrilateral}, {four-sided}]
         n 1: a four-sided polygon [syn: {quadrilateral}, {quadrangle},
               {tetragon}]

English Dictionary: quadrillionth	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
quadrille n music for dancing the quadrille a square dance of 5 or more figures for 4 or more couples
From WordNet (r) 3.0 (2006) [wn]:
quadrillion n the number that is represented as a one followed by 24 zeros; "in England they call a septillion a quadrillion" the number that is represented as a one followed by 15 zeros
From WordNet (r) 3.0 (2006) [wn]:
quadrillionth adj the ordinal number of one quadrillion in counting order n one part in a quadrillion equal parts [syn: {one- quadrillionth}, quadrillionth]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadrel \Quad"rel\, n. [It. quadrello, LL. quadrellus, fr. L.       quadrus square. See {Quadrate}, and cf. {Quarrel} an arrow.]       1. A square piece of turf or peat. [Prov. Eng.]          2. A square brick, tile, or the like.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadrilateral \Quad`ri*lat"er*al\, a. [L. quadrilaterus: cf. F.       quadrilat[8a]re, quadrilat[82]ral. See {Quadri-} and       {Lateral}.]       Having four sides, and consequently four angles;       quadrangular.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadrilateral \Quad`ri*lat"er*al\, n.       1. (Geom.) A plane figure having four sides, and consequently             four angles; a quadrangular figure; any figure formed by             four lines.          2. An area defended by four fortresses supporting each other;             as, the Venetian quadrilateral, comprising Mantua,             Peschiera, Verona, and Legnano.          {Complete quadrilateral} (Geom.), the figure made up of the             six straight lines that can be drawn through four points,             A, B, C, I, the lines being supposed to be produced             indefinitely.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadrilateralness \Quad`ri*lat"er*al*ness\, n.       The property of being quadrilateral.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadriliteral \Quad`ri*lit"er*al\, a. [Quadri- + literal.]       Consisting of four letters.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadrill82 \Qua`dril`l[82]"\, a. [F.] (Art)       Marked with squares, generally by thin lines crossing at       right angles and at equal intervals; as, quadrill[82] paper,       or plotting paper.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadrille \Qua*drille"\, n. [F. quadrille, n. masc., cf. It.       quadriglio; or perhaps from the Spanish. See {Quadrille} a       dance.]       A game played by four persons with forty cards, being the       remainder of an ordinary pack after the tens, nines, and       eights are discarded. --Hoyle.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadrille \Qua*drille"\, n. [F. quadrille, n. fem., fr. Sp.       cuadrilla meeting of four or more persons or It. quadriglia a       band of soldiers, a sort of dance; dim. fr. L. quadra a       square, fr. quattuor four. See {Quadrate}.]       1. A dance having five figures, in common time, four couples             of dancers being in each set.          2. The appropriate music for a quadrille.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadrillion \Quad*ril"lion\, n. [F., fr. L. quater four times,       akin to quattuor four, E. four; -- formed like million. See       {Four}, {Million}.]       According to the French notation, which is followed also upon       the Continent and in the United States, a unit with fifteen       ciphers annexed; according to the English notation, the       number produced by involving a million to the fourth power,       or the number represented by a unit with twenty-four ciphers       annexed. See the Note under {Numeration}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadrilobate \Quad`ri*lo"bate\, Quadrilobed \Quad`ri*lobed\, a.       [Quadri- + lobe: cf. F. quadrilob[82].]       Having four lobes; as, a quadrilobate leaf.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadrilobate \Quad`ri*lo"bate\, Quadrilobed \Quad`ri*lobed\, a.       [Quadri- + lobe: cf. F. quadrilob[82].]       Having four lobes; as, a quadrilobate leaf.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadrilocular \Quad`ri*loc"u*lar\, a. [Quadri- + locular: cf. F.       quadriloculaire.]       Having four cells, or cavities; as, a quadrilocular heart.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Warty-back \Wart"y-back`\, n.       An American fresh-water mussel ({Quadrula pustulosa}). Its       shell is used in making buttons.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
Quadralay Corporation          The developers of {GWHIS}.          {Home (http://www.quadralay.com/)}.          Telephone: +1 512-346-9199.       Fax: +1 512-346-8990.          (2000-08-12)