noun
- A flat-bottomed motor vehicle that can travel on land or water.
- synonyms: amphibious vehicle
- An airplane designed to take off and land on water.
- synonyms: amphibious aircraft
- Cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form.
adjective
- Relating to or characteristic of animals of the class Amphibia.
- synonyms: amphibious
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). amphibian. Retrieved September 28, 2026, from http://smartdefine.org/amphibian/definitions/1167861 |
| Chicago | WordNet. 2010. "amphibian" http://smartdefine.org/amphibian/definitions/1167861 (accessed September 28, 2026). |
| Harvard | WordNet 2010, amphibian, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/amphibian/definitions/1167861>. |
| MLA | WordNet. "amphibian" 23 October 2010. Web. 28 September 2026. <http://smartdefine.org/amphibian/definitions/1167861> |