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Noun: narwhal  naa(r)-wul
  1. Small Arctic whale the male having a long spiral ivory tusk
    "The narwhal's tusk was once believed to be the horn of a unicorn";
    - narwal [rare], narwhale, Monodon monoceros

Derived forms: narwhals

Type of: whale

Part of: genus Monodon, Monodon

Encyclopedia: Narwhal