A percussion instrument consisting of vertically nested inverted metal bowls.

(obsolete) The pomegranate tree, Punica granatum.

The tree Aralia spinosa. / The tree Zanthoxylum clava-herculis.

A tree of the species Salacia arenicola (family Celastraceae), the seeds of which chimpanzees find worth sucking on for hours before spitting them out.

Any tree of the extinct genus Lepidodendron.

(computing theory) A self-balancing binary search tree with the additional property that recently accessed elements are quick to access again.

(computing theory) Synonym of trie (“data structure”)

(syntax) An ordered, rooted tree (data structure) that represents the syntactic structure of a string according to some context-free grammar.

The doum palm.

Alternative form of rain tree