the GNU version of the Collaborative International Dictionary of English
adj. Having the ability to live both on land and in water, as frogs, crocodiles, beavers, and some plants.
adj. Pertaining to, adapted for, or connected with, both land and water.
adj. Of a mixed nature; partaking of two natures.
The Century Dictionary and Cyclopedia
. Living both on land and in water; habitually alternating between land and water.
Of or pertaining to the Amphibia; amphibian.
Of a mixed nature; partaking of two natures: as, an amphibious breed.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. operating or living on land and in water
adj. relating to or characteristic of animals of the class Amphibia
Word Usage
"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."