AMPHIBIAN
amphibious, amphibian
(adjective) relating to or characteristic of animals of the class Amphibia
amphibian
(noun) cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form
amphibian, amphibious aircraft
(noun) an airplane designed to take off and land on water
amphibian, amphibious vehicle
(noun) a flat-bottomed motor vehicle that can travel on land or water
Source: WordNet® 3.1
Etymology
Adjective
amphibian (comparative more amphibian, superlative most amphibian)
Of or relating to the class Amphibia.
Capable of operating on both land and water amphibious.
(obsolete) Having two natures.
Noun
amphibian (plural amphibians)
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"
Synonyms
• amphibium
Hypernyms
• Animalia
• Chordata
• Tetrapoda
Hyponyms
• Batrachia
• batrachian
• batrachofauna
• Labyrinthodontia (extinct)
• Lepospondyli (extinct)
• Lissamphibia
• Salientia
Source: Wiktionary
Am*phib"i*an (-an), a. (Zoöl.)
Definition: Of or pertaining to the Amphibia; as, amphibian reptiles.
Am*phib"i*an, n. (Zoöl.)
Definition: One of the Amphibia.
Source: Webster’s Unabridged Dictionary 1913 Edition