n.
Pronunciation: -b ē - ə n
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 adults
2 : an amphibious vehicle especially : an airplane designed to take off from and land on either land or water
– amphibian adjective