tree
 tree (trē)n.
1.
a. A perennial woody plant having a main trunk and usually a distinct crown.
b. A plant or shrub resembling a tree in form or size.
2. Something, such as a clothes tree, that resembles a tree in form.
3. A wooden beam, post, stake, or bar used as part of a framework or structure.
4. A saddletree.
5. A diagram that has branches in descending lines showing relationships as of hierarchy or lineage:
a family tree; a telephone tree.
6. Computer Science. A structure for organizing or classifying data in which every item can be traced to a single origin through a unique path.
7. Archaic.
a. A gallows.
b. The cross on which Jesus was crucified.tr.v. treed, tree·ing, trees
1. To force up a tree:
Dogs treed the raccoon.
2. Informal. To force into a difficult position; corner.
3. To supply with trees:
treed the field with oaks.
4. To stretch (a shoe or boot) onto a shoetree.Idiom:up a tree Informal
In a situation of great difficulty or perplexity; helpless. [Middle English, from Old English trēow. See deru- in Indo-European Roots.] treeʹless adj.
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