Definition of "amphibious" []

• Biology Living or able to live both on land and in water. (adjective)
• Able to operate both on land and in water: amphibious tanks. (adjective)
• Relating to or organized for a military landing by means of combined naval and land forces. (adjective)
• Of a mixed or twofold nature. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It comprised a chunk of cinematic fleet on the move stuff, then dived into the protags first, call it "amphibious", action."
• "And here it is, six years after the voyage, it's incredible, '' said Luis Grass, 41, the man who came up with the idea of the seafaring truck and made history by escaping from Cuba twice in amphibious vehicles."
• "U.S.S. BATAAN SITS OFF SHORE, VIRTUALLY UNUSED: The USS Bataan, a 844-foot ship designed to dispatch Marines in amphibious assaults, has helicopters, doctors, hospital beds, food and water."