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tree    : [tr'i]
Tree \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. trae, Sw. tr[aum], tr[aum]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}.]
[1913 Webster]
1. (Bot.) Any perennial woody plant of considerable size
(usually over twenty feet high) and growing with a single
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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.
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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.
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3. A piece of timber, or something commonly made of timber;
-- used in composition, as in axletree, boottree,
chesstree, crosstree, whiffletree, and the like.
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4. A cross or gallows; as Tyburn tree.
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[Jesus] whom they slew and hanged on a tree. --Acts
x. 39.
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5. Wood; timber. [Obs.] --Chaucer.
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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).
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6. (Chem.) A mass of crystals, aggregated in arborescent
forms, obtained by precipitation of a metal from solution.
See {Lead tree}, under {Lead}.
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{Tree bear} (Zool.), the raccoon. [Local, U. S.]

{Tree beetle} (Zool.) 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} (Zool.), 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} (Zool.), the purse crab. See under {Purse}.

{Tree creeper} (Zool.), any one of numerous species of
arboreal creepers belonging to {Certhia}, {Climacteris},
and allied genera. See {Creeper}, 3.

{Tree cricket} (Zool.), a nearly white arboreal American
cricket ({Ecanthus niv[oe]us}) which is noted for its loud
stridulation; -- called also {white cricket}.

{Tree crow} (Zool.), 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} (Zool.) 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} (Zool.), 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} (Zool.), a California market fish ({Sebastichthys

{Tree frog}. (Zool.)
(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 {Ranidae}. Their toes are
furnished with suckers for adhesion. The flying frog
(see under {Flying}) is an example.

{Tree goose} (Zool.), the bernicle goose.

{Tree hopper} (Zool.), 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} (Zool.), a woodpecker. [Obs.]

{Tree kangaroo}. (Zool.) See {Kangaroo}.

{Tree lark} (Zool.), the tree pipit. [Prov. Eng.]

{Tree lizard} (Zool.), any one of a group of Old World
arboreal lizards (formerly grouped as the {Dendrosauria})
comprising the chameleons; also applied to various lizards
belonging to the families {Agamidae} or {Iguanidae},
especially those of the genus {Urosaurus}, such as the
{lined tree lizard} ({Urosaurus ornatus}) of the
southwestern U.S.

{Tree lobster}. (Zool.) Same as {Tree crab}, above.

{Tree louse} (Zool.), 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} (Zool.), any one of several species of African
mice of the subfamily {Dendromyinae}. 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} (Zool.), a small American oyster ({Ostrea
folium}) which adheres to the roots of the mangrove tree;
-- called also {raccoon oyster}.

{Tree pie} (Zool.), any species of Asiatic birds of the genus
{Dendrocitta}. The tree pies are allied to the magpie.

{Tree pigeon} (Zool.), 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}. (Zool.) See under {Pipit}.

{Tree porcupine} (Zool.), any one of several species of
Central and South American arboreal porcupines belonging
to the genera {Chaetomys} 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 ({Sphingurus
villosus}) is called also {couiy}; another ({Sphingurus
prehensilis}) is called also {c[oe]ndou}.

{Tree rat} (Zool.), 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} (Zool.), a tree snake.

{Tree shrike} (Zool.), a bush shrike.

{Tree snake} (Zool.), 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} (Zool.) 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} (Zool.), 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} (Zool.), any one of several species of swifts of
the genus {Dendrochelidon} which inhabit the East Indies
and Southern Asia.

{Tree tiger} (Zool.), a leopard.

{Tree toad} (Zool.), any one of numerous species of
amphibians belonging to {Hyla} and allied genera of the
family {Hylidae}. 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 ({Hyla 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} (Zool.), 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.
[1913 Webster]

Tree \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.
[1913 Webster]

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.
[1913 Webster]

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: {tree}, {tree diagram}]
3: English actor and theatrical producer noted for his lavish
productions of Shakespeare (1853-1917) [synonym: {Tree}, {Sir
Herbert Beerbohm Tree}]
v 1: force a person or an animal into a position from which he
cannot escape [synonym: {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: {tree}, {shoetree}]

160 Moby Thesaurus words for "tree":
Stammbaum, acacia, ailanthus, alder, alligator pear, allspice,
almond, apple, apricot, ash, aspen, avocado, ax, balsa, balsam,
banyan, bare pole, basswood, bay, bayberry, beech, betel palm,
birch, block, bottle up, buckeye, butternut, buttonwood, cacao,
candleberry, cashew, cassia, catalpa, cherry, chestnut, chinquapin,
cinnamon, citron, clove, coconut, collar, conifer, cork oak,
corner, cross, cypress, death chair, death chamber, dogwood, drop,
ebony, elder, electric chair, elm, eucalyptus, evergreen,
family tree, fig, fir, frankincense, fruit tree, gallows,
gallows-tree, gas chamber, genealogical tree, genealogy, gibbet,
grapefruit, guava, guillotine, gum, halter, hardwood tree,
hawthorn, hazel, hemlock, hemp, hempen collar, henna, hickory,
holly, hop tree, horse chestnut, hot seat, ironwood, juniper,
kumquat, laburnum, lancewood, larch, laurel, lemon, lethal chamber,
lime, linden, litchi, litchi nut, locust, logwood, magnolia,
mahogany, maiden, mango, mangrove, maple, mast, medlar,
mountain ash, mulberry, noose, nutmeg, oak, olive, orange, palm,
papaw, papaya, peach, pear, pecan, pedigree, persimmon, pine,
pistachio, plane, plum, pole, pollard, pomegranate, poplar, quince,
raffia palm, rain tree, redwood, rope, sandalwood, sapling,
sassafras, scaffold, seedling, senna, sequoia, shade tree,
softwood tree, spar, spruce, stake, stemma, stick, sycamore,
tangerine, teak, the chair, timber, timber tree, tulip tree,
walnut, willow, witch hazel, yew

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}.


TREE. A woody plant, which in respect of thickness and height grows greater
than any other plant.
2. Trees are part of the real estate while growing, and before they are
severed from the freehold; but as soon as they are cut down, they are
personal property.
3. Some trees are timber trees, while others do not bear that
denomination. Vide Timber, and 2 Bl. Com. 281.
4. Trees belong to the owner of the land where they grow, but if the
roots go out of one man's land into that of another, or the branches spread
over the adjoining estates, such roots or branches may be cut off by the
owner of the land into which they thus grow. Rolle's R. 394; 3 Bulst. 198;
Vin. Ab. Trees, E; and tit. Nuisance, W 2, pl. 3; 8 Com. Dig. 983; 2 Com.
Dig. 274; 10 Vin. Ab. 142; 20 Viii. Ab. 415; 22 Vin. Ab. 583; 1 Supp. to
Ves. jr. 138; 2 Supp. to Ves. jr. 162, 448; 6 Ves. 109.
5. When the roots grow into the adjoining land, the owner of such land
may lawfully claim a right to hold the tree in common with the owner of the
land where it was planted; but if the branches only overshadow the adjoining
land, and the root does not enter it, the tree wholly belongs owner of the
estate where the roots grow. 1 Swift's Dig. 104; 1 Hill. Ab. 6; 1 Ld. Raym.
737. Vide 13 Pick. R. 44; 1 Pick., R. 224; 4 Mass. R. 266; 6 N. H. Rep. 430;
3 Day, 476; 11 Co. 50; Rob. 316; 2 Rolle, It. 141 Moo. & Mal. 112; 11 Conn.
R. 177; 7 Conn. 125; 8 East, R. 394; 5 B. & Ald. 600; 1 Chit. Gen. Pr. 625;
2 Phil. Ev. 138; Gale & Wheat. on Easem. 210; Code Civ. art. 671; Pardes.
Tr. des Servitudes, 297; Bro. Ab. Demand, 20; Dall. Dict. mot Servitudes,
art. 3 Sec. 8; 2 P. Wms. 606; Moor, 812; Hob. 219; Plowd. 470; 5 B. & C.
897; S. C. 8 D. & R. 651. When the tree grows directly on the boundary line,
so that the line passes through it, it is the property of both owners,
whether it be marked as a boundary or not. 12 N. H. Rep. 454.

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