flying frog

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Either of two arboreal frogs (Rhacophorus reinwardtii or R. nigropalmatus) of southeast Asia, having toes connected by broad webbing and capable of making long, gliding leaps.

Century Dictionary and Cyclopedia

1. n. A batrachian of Borneo, of the genus Rhacophorus and family Ranidæ, having enormously long webbed toes, enabling it to sustain a kind of flight.

Wiktionary

1. n. Any type of frog with the ability to glide

GNU Webster's 1913

1. adj. (Zoöl.) either of two East Indian tree frogs of the genus Rhacophorus (Rhacophorus nigrapalmatus and Rhacophorus pardalis), having very large and broadly webbed feet, which serve as parachutes, and enable it to make very long leaps.