Narwhal

n.

1.

(Zool.) 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.

Noun

1.

narwhal - small arctic whale the male having a long spiral ivory tusk Synonyms: Monodon monoceros, narwal, narwhale

genus Monodon, Monodon, Monodon monoceros, narwal, narwhale, whale