AMPHIBIAN

Definition of AMPHIBIAN

  1. (adj)relating to or characteristic of animals of the class Amphibia
  2. (noun)a flat-bottomed motor vehicle that can travel on land or water
  3. (noun)an airplane designed to take off and land on water
  4. (noun)cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form