- (n.) An arctic cetacean (Monodon monocerous), about twenty feet long. The male usually has one long, twisted, pointed canine tooth or tusk projecting forward from the upper jaw like a horn, whence it is called also sea unicorn, unicorn fish, and unicorn whale. Sometimes two horns are developed, side by side.
- (n.) An arctic cetacean (Monodon monocerous), about twenty feet long. The male usually has one long, twisted, pointed canine tooth or tusk projecting forward from the upper jaw like a horn, whence it is called also sea unicorn, unicorn fish, and unicorn whale. Sometimes two horns are developed, side by side.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). narwhal. Retrieved September 24, 2026, from http://smartdefine.org/narwhal/definitions/2035873 |
| Chicago | Webster's. 2011. "narwhal" http://smartdefine.org/narwhal/definitions/2035873 (accessed September 24, 2026). |
| Harvard | Webster's 2011, narwhal, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/narwhal/definitions/2035873>. |
| MLA | Webster's. "narwhal" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/narwhal/definitions/2035873> |