Definition of amphibius
1. amphibious [ a ] relating to or characteristic of animals of the class AmphibiaSynonyms amphibian amphibious Related Terms Amphibia Amphibia
2. amphibious [ a ] relating to military forces prepared for operations launched from the sea against an enemy shore
Examples: "amphibious troops"
3. amphibious [ a ] operating or living on land and in water
Examples: "amphibious vehicles" "amphibious operations" "amphibious troops" "frogs are amphibious animals"