amphibian

  1. Adjective.  (obsolete) Having two natures.
  2. Adjective.  Pertaining to the Amphibia.
  3. Noun.  An animal of the Amphibia; any four-legged vertebrate that does not have amniotic eggs, living both on land and in water.
  4. Noun.  A vehicle which can operate on land and water.

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This entry was last updated on RefTopia from its source on 3/20/2012.