A large bullfrog surrounded by lily pads.
a large North American ranid frog (Rana catesbeiana) that has a deep, loud croak
Origin of bullfrogbull- + frog
Any of several large, heavy-bodied frogs, especially Rana catesbeiana, native to eastern North America and introduced elsewhere, having a characteristic deep resonant croak.
male American bullfrog
- Any of various large frogs of genus Rana, that have a deep croak and are native to North America.