1. Cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form
   "Frogs are a common example of amphibians"
    
2. A flat-bottomed motor vehicle that can travel on land or water
   "Tourists took an amphibian tour of the city and harbour";
   - amphibious vehicle
    
3. An aeroplane designed to take off and land on water
   "The coast guard used an amphibian for search and rescue operations";
   - amphibious aircraft

1. Relating to or characteristic of animals of the class Amphibia
   "Frogs and salamanders are examples of amphibian species";
   - amphibious

Derived forms: amphibians

Type of: aeroplane [Brit], airplane [N. Amer], automotive vehicle, craniate, motor vehicle, plane, vertebrate

Part of: amphibia, class Amphibia

Encyclopedia: Amphibian