amphibious animal; a class of cold-blooded vertebrates that spend part of their life cycle in water and part on land

class of cold-blooded vertebrate animals that includes frogs, toads, newts, and salamanders

Military units such as the Marine Corps that are trained and equipped to operate on both land and sea; amphibious units.

amphibious warfare or operations; a joint military landing attack launched from the sea or air against an enemy-held shore

Plants that are able to grow both on land and in water; amphiphytes.