Frog

any tailless, stout-bodied amphibian of the order Anura, including the smooth, moist-skinned frog species that live in a damp or semiaquatic habitat and the warty, drier-skinned toad species that are mostly terrestrial as adults.

Also called true frog,.  Also called ranid.  any frog of the widespread family Ranidae, most members of which are semiaquatic and have smooth, moist skin and relatively long hind legs used for leaping.