A perennial woody plant, not exactly defined, but differentiated from a shrub by its larger size (typically over a few meters in height) or growth habit, usually having a single (or few) main axis or trunk unbranched for some distance above the ground and a head of branches and foliage.

(transitive) To chase (an animal or person) up a tree. / (transitive) To place in a tree. / (transitive) To place upon a tree; to fit with a tree; to stretch upon a tree.

present participle of tree

A tree-like pattern or formation.

That is driving something or someone up a tree.

plural of treeing

(mathematics) An extremely fast-growing function based on Kruskal's tree theorem.

A surname.

(mathematics) Alternative letter-case form of TREE

(software engineering) Located inside of a source tree. / (software engineering) Taking place inside of a source tree.