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Meaning of TREE

Pronunciation:  tree, tree

WordNet Dictionary
  1. [n]  English actor and theatrical producer noted for his lavish productions of Shakespeare (1853-1917)
  2. [n]  
  3. [n]  a figure that branches from a single root; "genealogical tree"
  4. [v]  chase a bear up a tree with dogs and kill it
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 Synonyms: Sir Herbert Beerbohm Tree, tree diagram
 See Also: acacia, actor, Adenanthera pavonina, albizia, albizzia, alder, alder tree, Alstonia scholaris, anise tree, arere, Barbados pride, basswood, beech, beech tree, beefwood, birch, birch tree, blue fig, Bombax ceiba, Bombax malabarica, bottletree, breakax, breakaxe, Brisbane quandong, Brya ebenus, calabur tree, calabura, camachile, Castanea chrysophylla, Castanopsis chrysophylla, casuarina, chestnut, chestnut tree, Chinese parasol, Chinese parasol tree, Chrysolepis chrysophylla, cladogram, cockspur, conacaste, conessi, coralwood, devil tree, dita, dita bark, Drimys winteri, Elaeocarpus grandis, elephant's ear, Enterolobium cyclocarpa, evergreen beech, firewheel tree, Firmiana simplex, forest, giant chinkapin, golden chinkapin, granadilla tree, granadillo, guama, Guinea pepper, histrion, Hoheria populnea, Holarrhena antidysenterica, Holarrhena pubescens, hornbeam, houhere, huamachil, hunt, hunt down, ice-cream bean, inga, Inga edulis, Inga laurina, ivory tree, Jamaican cherry, Japanese varnish tree, kurchee, kurchi, lacebark, lancewood, lancewood tree, lead tree, Leucadendron argenteum, Leucaena glauca, Leucaena leucocephala, ligneous plant, lime, lime tree, linden, linden tree, Lithocarpus densiflorus, Lysiloma bahamensis, Lysiloma latisiliqua, manila tamarind, maple-leaved bayur, mayeng, Meryta sinclairii, Montezuma, Muntingia calabura, negro pepper, nitta tree, oak, oak chestnut, oak tree, obeche, obechi, Orites excelsa, Oxandra lanceolata, pandanus, peacock flower fence, phoenix tree, Pisonia aculeata, Pithecellobium dulce, Plagianthus betulinus, Plagianthus regius, plane figure, player, prickly ash, Pseudobombax ellipticum, Pterospermum acerifolium, puka, quandong, quandong tree, red sandalwood, red silk-cotton tree, ribbon tree, ribbonwood, role player, run, samba, screw pine, scrub beefwood, shaving-brush tree, silkwood, silver quandong tree, silver tree, simal, Sloanea jamaicensis, southern beech, Stenocarpus salignus, Stenocarpus sinuatus, tanbark oak, Tarrietia argyrodendron, theatrical producer, thespian, track down, Triplochiton scleroxcylon, tulipwood tree, two-dimensional figure, wheel tree, white popinac, wild tamarind, winter's bark, winter's bark tree, wood, woods, woody plant, Xylopia aethiopica, yellowwood, yellowwood tree, zebrawood, zebrawood tree



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Webster's 1913 Dictionary
  1. \Tree\ (tr[=e]), n. [OE. tree, tre, treo, AS. tre['o],
    tre['o]w, tree, wood; akin to OFries. tr[=e], OS. treo, trio,
    Icel. tr[=e], Dan. tr[ae], Sw. tr["a], tr["a]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[=a]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
    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["o]l.), the raccoon. [Local, U. S.]
    {Tree beetle} (Zo["o]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["o]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
    {Tree clover} (Bot.), a tall kind of melilot ({Melilotus
       alba}). See {Melilot}.
    {Tree crab} (Zo["o]l.), the purse crab. See under {Purse}.
    {Tree creeper} (Zo["o]l.), any one of numerous species of
       arboreal creepers belonging to {Certhia}, {Climacteris},
       and allied genera. See {Creeper}, 3.
    {Tree cricket} (Zo["o]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["o]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["o]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["o]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["o]l.), a California market fish
       ({Sebastichthys serriceps}).
    {Tree frog}. (Zo["o]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[ae]}. Their toes are
           furnished with suckers for adhesion. The flying frog
           (see under {Flying}) is an example.
    {Tree goose} (Zo["o]l.), the bernicle goose.
    {Tree hopper} (Zo["o]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["o]l.), a woodpecker. [Obs.]
    {Tree kangaroo}. (Zo["o]l.) See {Kangaroo}.
    {Tree lark} (Zo["o]l.), the tree pipit. [Prov. Eng.]
    {Tree lizard} (Zo["o]l.), any one of a group of Old World
       arboreal lizards ({Dendrosauria}) comprising the
    {Tree lobster}. (Zo["o]l.) Same as {Tree crab}, above.
    {Tree louse} (Zo["o]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["o]l.), any one of several species of
       African mice of the subfamily {Dendromyin[ae]}. 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
    {Tree onion} (Bot.), a species of garlic ({Allium
       proliferum}) which produces bulbs in place of flowers, or
       among its flowers.
    {Tree oyster} (Zo["o]l.), a small American oyster ({Ostrea
       folium}) which adheres to the roots of the mangrove tree;
       -- called also {raccoon oyster}.
    {Tree pie} (Zo["o]l.), any species of Asiatic birds of the
       genus {Dendrocitta}. The tree pies are allied to the
    {Tree pigeon} (Zo["o]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["o]l.) See under {Pipit}.
    {Tree porcupine} (Zo["o]l.), any one of several species of
       Central and South American arboreal porcupines belonging
       to the genera {Ch[ae]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["o]l.), any one of several species of large
       ratlike West Indian rodents belonging to the genera
       {Capromys} and {Plagiodon}. They are allied to the
    {Tree serpent} (Zo["o]l.), a tree snake.
    {Tree shrike} (Zo["o]l.), a bush shrike.
    {Tree snake} (Zo["o]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
    {Tree sparrow} (Zo["o]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["o]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["o]l.), any one of several species of swifts
       of the genus {Dendrochelidon} which inhabit the East
       Indies and Southern Asia.
    {Tree tiger} (Zo["o]l.), a leopard.
    {Tree toad} (Zo["o]l.), any one of numerous species of
       amphibians belonging to {Hyla} and allied genera of the
       family {Hylid[ae]}. 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["o]l.), any one of several species of
       arboreal warblers belonging to {Phylloscopus} and allied
    {Tree wool} (Bot.), a fine fiber obtained from the leaves of
       pine trees.
  2. \Tree\, v. t. [imp. & p. p. {Treed}; p. pr. & vb. n.
    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.
Computing Dictionary

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.

Dream Dictionary
 Definition: Seeing lush green trees in your dream, symbolizes new hopes, growth and desires. It also implies strength and stability. You are concentrating on your own self-development and individuation. Dreaming that you are climbing a tree means that you will achieve your career goals and reach those high places in society. The degree of difficulty to which you climb the tree will measure the speed of your achievement of these goals Dreaming that you cut down a tree means that you are wasting your energy, time, and money on foolish pursuits. Seeing a falling tree in your dream indicates that you are off balance and out of sync. You are off track and headed in the wrong direction.
Biology Dictionary
 Definition: A woody plant at least 5 meters high, with a main stem the lower part of which is usually unbranched.