DICT.TW Dictionary Taiwan

 narwhale
 一角鯨[海豚之類]

 Nar·whal n.  [Written also narwhale and narwal.] 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.
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 narwhale
      n : small arctic whale the male having a long spiral ivory tusk
          [syn: narwhal, narwal, Monodon monoceros]