plural of olive tree

(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

plural of dead tree

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

plural of tree pipit

A small passerine bird, Anthus trivialis.

A pole with pegs for temporary storage of clothing.

(US) A hat rack; hatstand.