(mathematics, computer science) A data structure in which each node has at most two children, each node but the root has one parent, and there are no cycles.

(mathematics) A binary tree.

(US) An upright pole having hooks on which to hang coats or other clothing

(US, idiomatic) On an automobile (especially those produced from 1939 through the mid-1970s), a three-speed manual transmission whose gearshift lever is mounted on the steering column.

(botany) Any tree whose branches are covered with yellow club moss spores

(botany) Alternative spelling of sulfur tree

Alternative spelling of three-on-the-tree

The Indian fig tree, sacred fig, Ficus religiosa, that is sacred to Buddhism.

plural of tree farm

(botany) A tree that bears plums.