treen
/tɹiːn/noun
Definitions
Fast growing function based on Kruskal's tree theorem.
noun
Definitions
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.
Example: Birds have a nest in a tree in the garden.
Any plant that is reminiscent of the above but not classified as a tree (in any botanical sense).
Example: the banana tree
An object made from a tree trunk and having multiple hooks or storage platforms.
Example: He had the choice of buying a scratching post or a cat tree.
A device used to hold or stretch a shoe open.
Example: He put a shoe tree in each of his shoes.