Definition of narwhal in English:

narwhal

Syllabification: nar·whal
Pronunciation: /ˈnärˌ(h)wäl
 
/

noun

A small Arctic whale, the male of which has a long forward-pointing spirally twisted tusk developed from one of its teeth.
  • Monodon monoceros, family Monodontidae
More example sentences
  • Dolphins and porpoises are examples of odontocetes, as are belugas, narwhals, killer whales, sperm whales, and beaked whales.
  • Polar bears are seagoing hunters that roam vast areas of the Arctic, pursuing a movable feast of seals, narwhals, beluga whales, and walruses.
  • For centuries observers have been fascinated and mystified by the majestic spiral tusk grown by the small Arctic whale known as the narwhal.

Origin

mid 17th century: from Dutch narwal, Danish narhval, based on Old Norse nár 'corpse', with reference to skin color.

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Pronunciation: dɪˈmɒrəlʌɪz
verb
cause (someone) to lose confidence or hope