(computing theory) A tree (data structure) set up to facilitate searching.

A visualization of a complex decision-making situation in which the possible decisions and their likely outcomes are organized in the form of a graph that resembles a tree.

(topology) A set that is the union of subsets (called segments), each of which is totally ordered, such that the segments fit together a certain way.

plural of tree kangaroo

Alternative spelling of saddle tree

Any of very many diverse rodents / (derogatory) A squirrel.

(botany) Any one of several trees or shrubs with yellow or bright red flowers, such as Rhododendron arboreum, Brachychiton acerifolium, or Delonix regia.

(data mining) A data-analysis method that recursively partitions data into sets each of which are simply modeled using regression methods. / A classification and regression tree.

Alternative spelling of palm tree

(botany) Euphorbia tirucalli, a tree found in semi-arid tropical climates