Main Entry:

am·phib·i·an

Pronunciation:

\-bē-ən\

Function:

noun

Etymology:

ultimately from Greek amphibion amphibious being, from neuter of amphibios

Date:

1835

1: an amphibious organism ; especially : any of a class (Amphibia) of cold-blooded vertebrates (as frogs, toads, or salamanders) intermediate in many characters between fishes and reptiles and having gilled aquatic larvae and air-breathing adults2: an amphibious vehicle ; especially : an airplane designed to take off from and land on either land or water

— amphibian adjective