One entry found for amphibian.

Main Entry: am·phib·i·an
Pronunciation: am-fib--n
Function: noun
1 : any organism that is able to live both on land and in water; especially : any of a class of cold-blooded vertebrate animals (as frogs and salamanders) that in many respects are between fishes and reptiles
2 : an airplane designed to take off from and land on either land or water
- amphibian adjective