(n.) A name given to various species of arctic sea birds of the family Alcidae. The great auk, now extinct, is Alca (/ Plautus) impennis. The razor-billed auk is A. torda. See Puffin, Guillemot, and Murre.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). auk. Retrieved September 21, 2026, from http://smartdefine.org/auk/definitions/1977115 |
| Chicago | Webster's. 2011. "auk" http://smartdefine.org/auk/definitions/1977115 (accessed September 21, 2026). |
| Harvard | Webster's 2011, auk, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/auk/definitions/1977115>. |
| MLA | Webster's. "auk" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/auk/definitions/1977115> |