Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.


From Biology-Online Dictionary | Biology-Online Dictionary
Jump to: navigation, search


(Science: zoology) 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.

Origin: Sw. Or dan. Narvhal; akin to Icel. Nahvalr, and E. Whale. The first syllable is perh. From Icel. Nar corpse, dead body, in allusion to the whitish colour its skin. See whale

alternative forms: narwhale.