(botany) Theobroma cacao, the cacao tree.

(botany) Any of the trees of the genus Erythrina

plural of tree trunk

(botany) The chaste tree.

(botany) A shrub native to the Mediterranean region (Vitex agnus-castus).

(biology) A branching diagram illustrating the potential evolutionary relationships among biological organisms or other entities which the tree-maker hypothesizes share a common ancestor.

plural of tree-ring

plural of tree rat

(derogatory) Supporting of environment concerns such as combating pollution, deforestation, etc.

plural of tree pipit