Meaning : Relating to or characteristic of animals of the class Amphibia.
Synonyms : amphibian
Meaning : Operating or living on land and in water.
Example :
Amphibious vehicles.
Amphibious operations.
Amphibious troops.
Frogs are amphibious animals.
Operating or living or growing on land.
terrestrialOperating or living or growing in water.
Boats are aquatic vehicles.