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English Dictionary: tree by the DICT Development Group
4 results for tree
From WordNet (r) 3.0 (2006) [wn]:
tree
n
  1. a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
  2. a figure that branches from a single root; "genealogical tree"
    Synonym(s): tree, tree diagram
  3. English actor and theatrical producer noted for his lavish productions of Shakespeare (1853-1917)
    Synonym(s): Tree, Sir Herbert Beerbohm Tree
v
  1. force a person or an animal into a position from which he cannot escape
    Synonym(s): corner, tree
  2. plant with trees; "this lot should be treed so that the house will be shaded in summer"
  3. chase an animal up a tree; "the hunters treed the bear with dogs and killed it"; "her dog likes to tree squirrels"
  4. stretch (a shoe) on a shoetree
    Synonym(s): tree, shoetree
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Tree \Tree\ (tr[emac]), n. [OE. tree, tre, treo, AS. tre[a2],
      tre[a2]w, tree, wood; akin to OFries. tr[emac], OS. treo,
      trio, Icel. tr[emac], Dan. tr[91], Sw. tr[84], tr[84]d, Goth.
      triu, Russ. drevo, W. derw an oak, Ir. darag, darog, Gr.
      dry^s a tree, oak, do`ry a beam, spear shaft, spear, Skr. dru
      tree, wood, d[be]ru wood. [root]63, 241. Cf. {Dryad},
      {Germander}, {Tar}, n., {Trough}.]
      1. (Bot.) Any perennial woody plant of considerable size
            (usually over twenty feet high) and growing with a single
            trunk.
  
      Note: The kind of tree referred to, in any particular case,
               is often indicated by a modifying word; as forest tree,
               fruit tree, palm tree, apple tree, pear tree, etc.
  
      2. Something constructed in the form of, or considered as
            resembling, a tree, consisting of a stem, or stock, and
            branches; as, a genealogical tree.
  
      3. A piece of timber, or something commonly made of timber;
            -- used in composition, as in axletree, boottree,
            chesstree, crosstree, whiffletree, and the like.
  
      4. A cross or gallows; as Tyburn tree.
  
                     [Jesus] whom they slew and hanged on a tree. --Acts
                                                                              x. 39.
  
      5. Wood; timber. [Obs.] --Chaucer.
  
                     In a great house ben not only vessels of gold and of
                     silver but also of tree and of earth. --Wyclif (2
                                                                              Tim. ii. 20).
  
      6. (Chem.) A mass of crystals, aggregated in arborescent
            forms, obtained by precipitation of a metal from solution.
            See {Lead tree}, under {Lead}.
  
      {Tree bear} (Zo[94]l.), the raccoon. [Local, U. S.]
  
      {Tree beetle} (Zo[94]l.) any one of numerous species of
            beetles which feed on the leaves of trees and shrubs, as
            the May beetles, the rose beetle, the rose chafer, and the
            goldsmith beetle.
  
      {Tree bug} (Zo[94]l.), any one of numerous species of
            hemipterous insects which live upon, and suck the sap of,
            trees and shrubs. They belong to {Arma}, {Pentatoma},
            {Rhaphigaster}, and allied genera.
  
      {Tree cat} (Zool.), the common paradoxure ({Paradoxurus
            musang}).
  
      {Tree clover} (Bot.), a tall kind of melilot ({Melilotus
            alba}). See {Melilot}.
  
      {Tree crab} (Zo[94]l.), the purse crab. See under {Purse}.
  
      {Tree creeper} (Zo[94]l.), any one of numerous species of
            arboreal creepers belonging to {Certhia}, {Climacteris},
            and allied genera. See {Creeper}, 3.
  
      {Tree cricket} (Zo[94]l.), a nearly white arboreal American
            cricket ({Ecanthus niv[oe]us}) which is noted for its loud
            stridulation; -- called also {white cricket}.
  
      {Tree crow} (Zo[94]l.), any one of several species of Old
            World crows belonging to {Crypsirhina} and allied genera,
            intermediate between the true crows and the jays. The tail
            is long, and the bill is curved and without a tooth.
  
      {Tree dove} (Zo[94]l.) any one of several species of East
            Indian and Asiatic doves belonging to {Macropygia} and
            allied genera. They have long and broad tails, are chiefly
            arboreal in their habits, and feed mainly on fruit.
  
      {Tree duck} (Zo[94]l.), any one of several species of ducks
            belonging to {Dendrocygna} and allied genera. These ducks
            have a long and slender neck and a long hind toe. They are
            arboreal in their habits, and are found in the tropical
            parts of America, Africa, Asia, and Australia.
  
      {Tree fern} (Bot.), an arborescent fern having a straight
            trunk, sometimes twenty or twenty-five feet high, or even
            higher, and bearing a cluster of fronds at the top. Most
            of the existing species are tropical.
  
      {Tree fish} (Zo[94]l.), a California market fish
            ({Sebastichthys serriceps}).
  
      {Tree frog}. (Zo[94]l.)
            (a) Same as {Tree toad}.
            (b) Any one of numerous species of Old World frogs
                  belonging to {Chiromantis}, {Rhacophorus}, and allied
                  genera of the family {Ranid[91]}. Their toes are
                  furnished with suckers for adhesion. The flying frog
                  (see under {Flying}) is an example.
  
      {Tree goose} (Zo[94]l.), the bernicle goose.
  
      {Tree hopper} (Zo[94]l.), any one of numerous species of
            small leaping hemipterous insects which live chiefly on
            the branches and twigs of trees, and injure them by
            sucking the sap. Many of them are very odd in shape, the
            prothorax being often prolonged upward or forward in the
            form of a spine or crest.
  
      {Tree jobber} (Zo[94]l.), a woodpecker. [Obs.]
  
      {Tree kangaroo}. (Zo[94]l.) See {Kangaroo}.
  
      {Tree lark} (Zo[94]l.), the tree pipit. [Prov. Eng.]
  
      {Tree lizard} (Zo[94]l.), any one of a group of Old World
            arboreal lizards ({Dendrosauria}) comprising the
            chameleons.
  
      {Tree lobster}. (Zo[94]l.) Same as {Tree crab}, above.
  
      {Tree louse} (Zo[94]l.), any aphid; a plant louse.
  
      {Tree moss}. (Bot.)
            (a) Any moss or lichen growing on trees.
            (b) Any species of moss in the form of a miniature tree.
                 
  
      {Tree mouse} (Zo[94]l.), any one of several species of
            African mice of the subfamily {Dendromyin[91]}. They have
            long claws and habitually live in trees.
  
      {Tree nymph}, a wood nymph. See {Dryad}.
  
      {Tree of a saddle}, a saddle frame.
  
      {Tree of heaven} (Bot.), an ornamental tree ({Ailantus
            glandulosus}) having long, handsome pinnate leaves, and
            greenish flowers of a disagreeable odor.
  
      {Tree of life} (Bot.), a tree of the genus Thuja; arbor
            vit[91].
  
      {Tree onion} (Bot.), a species of garlic ({Allium
            proliferum}) which produces bulbs in place of flowers, or
            among its flowers.
  
      {Tree oyster} (Zo[94]l.), a small American oyster ({Ostrea
            folium}) which adheres to the roots of the mangrove tree;
            -- called also {raccoon oyster}.
  
      {Tree pie} (Zo[94]l.), any species of Asiatic birds of the
            genus {Dendrocitta}. The tree pies are allied to the
            magpie.
  
      {Tree pigeon} (Zo[94]l.), any one of numerous species of
            longwinged arboreal pigeons native of Asia, Africa, and
            Australia, and belonging to {Megaloprepia}, {Carpophaga},
            and allied genera.
  
      {Tree pipit}. (Zo[94]l.) See under {Pipit}.
  
      {Tree porcupine} (Zo[94]l.), any one of several species of
            Central and South American arboreal porcupines belonging
            to the genera {Ch[91]tomys} and {Sphingurus}. They have an
            elongated and somewhat prehensile tail, only four toes on
            the hind feet, and a body covered with short spines mixed
            with bristles. One South American species ({S. villosus})
            is called also {couiy}; another ({S. prehensilis}) is
            called also {c[oe]ndou}.
  
      {Tree rat} (Zo[94]l.), any one of several species of large
            ratlike West Indian rodents belonging to the genera
            {Capromys} and {Plagiodon}. They are allied to the
            porcupines.
  
      {Tree serpent} (Zo[94]l.), a tree snake.
  
      {Tree shrike} (Zo[94]l.), a bush shrike.
  
      {Tree snake} (Zo[94]l.), any one of numerous species of
            snakes of the genus {Dendrophis}. They live chiefly among
            the branches of trees, and are not venomous.
  
      {Tree sorrel} (Bot.), a kind of sorrel ({Rumex Lunaria})
            which attains the stature of a small tree, and bears
            greenish flowers. It is found in the Canary Islands and
            Teneriffe.
  
      {Tree sparrow} (Zo[94]l.) any one of several species of small
            arboreal sparrows, especially the American tree sparrow
            ({Spizella monticola}), and the common European species
            ({Passer montanus}).
  
      {Tree swallow} (Zo[94]l.), any one of several species of
            swallows of the genus {Hylochelidon} which lay their eggs
            in holes in dead trees. They inhabit Australia and
            adjacent regions. Called also {martin} in Australia.
  
      {Tree swift} (Zo[94]l.), any one of several species of swifts
            of the genus {Dendrochelidon} which inhabit the East
            Indies and Southern Asia.
  
      {Tree tiger} (Zo[94]l.), a leopard.
  
      {Tree toad} (Zo[94]l.), any one of numerous species of
            amphibians belonging to {Hyla} and allied genera of the
            family {Hylid[91]}. They are related to the common frogs
            and toads, but have the tips of the toes expanded into
            suckers by means of which they cling to the bark and
            leaves of trees. Only one species ({Hyla arborea}) is
            found in Europe, but numerous species occur in America and
            Australia. The common tree toad of the Northern United
            States ({H. versicolor}) is noted for the facility with
            which it changes its colors. Called also {tree frog}. See
            also {Piping frog}, under {Piping}, and {Cricket frog},
            under {Cricket}.
  
      {Tree warbler} (Zo[94]l.), any one of several species of
            arboreal warblers belonging to {Phylloscopus} and allied
            genera.
  
      {Tree wool} (Bot.), a fine fiber obtained from the leaves of
            pine trees.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Tree \Tree\, v. t. [imp. & p. p. {Treed}; p. pr. & vb. n.
      {Treeing}.]
      1. To drive to a tree; to cause to ascend a tree; as, a dog
            trees a squirrel. --J. Burroughs.
  
      2. To place upon a tree; to fit with a tree; to stretch upon
            a tree; as, to tree a boot. See {Tree}, n., 3.

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   tree
  
      A {directed acyclic graph}; i.e. a {graph}
      wherein there is only one route between any pair of {nodes},
      and there is a notion of "toward top of the tree" (i.e. the
      {root node}), and its opposite direction, toward the {leaves}.
      A tree with n nodes has n-1 edges.
  
      Although maybe not part of the widest definition of a tree, a
      common constraint is that no node can have more than one
      parent.   Moreover, for some applications, it is necessary to
      consider a node's {daughter} nodes to be an ordered {list},
      instead of merely a {set}.
  
      As a data structure in computer programs, trees are used in
      everything from {B-trees} in {databases} and {file systems}, to
      {game trees} in {game theory}, to {syntax trees} in a human or
      computer {languages}.
  
      (1998-11-12)
  
  
No guarantee of accuracy or completeness!
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