- living or able to live both on land and in water; belonging to both land and water.
- capable of operating on both land and water: amphibious vehicles.
- of or relating to military operations by both land and naval forces against the same object, especially to a military attack by troops landed by naval ships.
- trained or organized to fight, or fighting, on both land and sea: amphibious troops.
- combining two qualities, kinds, traits, etc.; of or having a mixed or twofold nature.
- able to live both on land and in the water, as frogs, toads, etc
- designed for operation on or from both water and land
- relating to military forces and equipment organized for operations launched from the sea against an enemy shore
- having a dual or mixed nature
