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tree

[tree] /tri/
noun
1.
a plant having a permanently woody main stem or trunk, ordinarily growing to a considerable height, and usually developing branches at some distance from the ground.
2.
any of various shrubs, bushes, and plants, as the banana, resembling a tree in form and size.
3.
something resembling a tree in shape, as a clothes tree or a crosstree.
4.
Mathematics, Linguistics, tree diagram.
6.
a pole, post, beam, bar, handle, or the like, as one forming part of some structure.
7.
8.
a saddletree.
9.
a treelike group of crystals, as one forming in an electrolytic cell.
10.
a gallows or gibbet.
11.
the cross on which Christ was crucified.
12.
Computers. a data structure organized like a tree whose nodes store data elements and whose branches represent pointers to other nodes in the tree.
verb (used with object), treed, treeing.
14.
to drive into or up a tree, as a pursued animal or person.
15.
Informal. to put into a difficult position.
16.
to stretch or shape on a tree, as a boot.
17.
to furnish (a structure) with a tree.
Idioms
18.
up a tree, Informal. in a difficult or embarrassing situation; at a loss; stumped.
Origin
900
before 900; Middle English; Old English trēo(w); cognate with Old Frisian, Old Norse trē, Old Saxon treo, Gothic triu; akin to Greek drŷs oak, Sanskrit, Avestan dru wood
Related forms
treelike, adjective

Tree

[tree] /tri/
noun
1.
Sir Herbert Beerbohm
[beer-bohm] /ˈbɪər boʊm/ (Show IPA),
(Herbert Beerbohm) 1853–1917, English actor and theater manager; brother of Max Beerbohm.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for tree
  • Small to large tree with broad, rounded crown of spreading or drooping branches and the largest leaves of all maples.
  • The birds typically choose large, older trees for nesting and usually inhabit a tree hole.
  • But three years ago leaves on a few branches on one side of the tree started to wilt.
  • tree branches have inspired efficient transit networks, but a new study finds inspiration in leaves.
  • They were interested in the habit certain groups of bats have of building collective tents in which to shelter, using tree leaves.
  • As a dwarf, it's a dense tree with large dark leaves.
  • We bought a tree for each of the large dormitories on the first floor, as well as one for each floor in the main prison.
  • It is much easier to page thru large screen on portable than read horrid tiny print of dead tree edition.
  • He discovered the large-scale structure of the tree of life, with all living creatures descended from three primordial branches.
  • In a city of steel and concrete, a single tree offers a burst of green, a cooling canopy and an antidote for frayed nerves.
British Dictionary definitions for tree

tree

/triː/
noun
1.
any large woody perennial plant with a distinct trunk giving rise to branches or leaves at some distance from the ground related adjective arboreal
2.
any plant that resembles this but has a trunk not made of wood, such as a palm tree
3.
a wooden post, bar, etc
5.
(chem) a treelike crystal growth; dendrite
6.
  1. a branching diagrammatic representation of something, such as the grammatical structure of a sentence
  2. (as modifier): a tree diagram
7.
an archaic word for gallows
8.
(archaic) the cross on which Christ was crucified
9.
at the top of the tree, in the highest position of a profession, etc
10.
(US & Canadian, informal) up a tree, in a difficult situation; trapped or stumped
verb (transitive) trees, treeing, treed
11.
to drive or force up a tree
12.
to shape or stretch (a shoe) on a shoetree
Derived Forms
treeless, adjective
treelessness, noun
treelike, adjective
Word Origin
Old English trēo; related to Old Frisian, Old Norse trē, Old Saxon trio, Gothic triu, Greek doru wood, drus tree

Tree

/triː/
noun
1.
Sir Herbert Beerbohm. 1853–1917, English actor and theatre manager; half-brother of Sir Max Beerbohm. He was noted for his lavish productions of Shakespeare
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for tree
n.

Old English treo, treow "tree" (also "wood"), from Proto-Germanic *trewan (cf. Old Frisian tre, Old Saxon trio, Old Norse tre, Gothic triu), from PIE *deru- "oak" (cf. Sanskrit dru "tree, wood," daru "wood, log;" Greek drys "oak," doru "spear;" Old Church Slavonic drievo "tree, wood;" Serbian drvo "tree," drva "wood;" Russian drevo "tree, wood;" Czech drva; Polish drwa "wood;" Lithuanian derva "pine wood;" Old Irish daur, Welsh derwen "oak," Albanian drusk "oak").

Importance of the oak in mythology is reflected in the recurring use of words for "oak" to mean "tree." In Old English and Middle English, also "thing made of wood," especially the cross of the Crucifixion and a gallows (cf. Tyburn tree, gallows mentioned 12c. at Tyburn, at junction of Oxford Street and Edgware Road, place of public execution for Middlesex until 1783). Sense in family tree first attested 1706; verb meaning "to chase up a tree" is from 1700. Tree-hugger, contemptuous for "environmentalist" is attested by 1989.

Minc'd Pyes do not grow upon every tree,
But search the Ovens for them, and there they be.
["Poor Robin," Almanack, 1669]

Online Etymology Dictionary, © 2010 Douglas Harper
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tree in Science
tree
  (trē)   
Any of a wide variety of perennial plants typically having a single woody stem, and usually branches and leaves. Many species of both gymnosperms (notably the conifers) and angiosperms grow in the form of trees. The ancient forests of the Devonian, Mississippian, and Pennsylvanian periods of the Paleozoic Era were dominated by trees belonging to groups of seedless plants such as the lycophytes. The strength and height of trees are made possible by the supportive conductive tissue known as vascular tissue.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang definitions & phrases for tree
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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tree in Technology
mathematics, data
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)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Idioms and Phrases with tree
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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