An animal of the Amphibia; any four-legged vertebrate that does not have amniotic eggs, living both on land and in water.
A vehicle which can operate on land and water. See Wikipedia article on "Amphibious aircraft"
Capable of operating on both land and water amphibious.
Of or relating to the class Amphibia.
Any aquatic plant.
Relating to water; living in or near water, taking place in water.