Emily Dickinson Lexicon

TREE'FROG, or TREE'TOAD, n. [tree and frog or toad.]

The popular name of a genus of batrachian reptiles, differing from proper frogs, in the extremities of their toes, each of which is expanded into a rounded viscous pellet, that enables them to adhere to the surface of bodies, and to climb trees, where they remain all summer, living upon insects. Cuvier. Their generic name in natural history, is Hyla; and there are numerous species.