narwhal: Meaning and Definition of

nar•whal

Pronunciation: (när'wul), [key]
— n.
  1. a small arctic whale, Monodon monoceros, the male of which has a long, spirally twisted tusk extending forward from the upper jaw.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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