amphibian

Adjective

• relating to or characteristic of animals of the class Amphibia

Noun

• cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form

• an airplane designed to take off and land on water

• a flat-bottomed motor vehicle that can travel on land or water

Related words

• Synonyms: 
  amphibious , amphibious aircraft , amphibious vehicle