any arboreal frog of the family Hylidae, chiefly of SE Asia, Australia, and America. They are strong jumpers and have long toes ending in adhesive discs, which assist in climbing
2.
any of various other arboreal frogs of different families
tree frog in American English
any of several families of frogs (esp. Hylidae) that live in trees, which they climb with the aid of adhesive discs on the toes