Noun: narwhal naa(r)-wul- 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