an arctic toothed whale (Monodon monoceros) of the same family (Monodontidae) as the beluga, valued for its oil and ivory: the male has a long, spiral tusk extending from the upper jaw
also nar′wal or nar′whale·
Origin of narwhal; from Scand, as in Norwegian and amp; Danish narhval ; from Old Norse nahvalr, literally , corpse (; from Indo-European base an unverified form n?u-, death, corpse) + hvalr, whale (with reference to the whitish underside)
also nar·wal or nar·whale
An Arctic whale (Monodon monoceros) having mottled gray or whitish skin and in the male, a long spirally twisted tusk projecting forward from the left side of the head.
Origin of narwhalNorwegian or Danish narhval, from Old Norse nahvalr : nar, corpse (from its whitish color) + hvalr, whale.
(plural narwhals or narwhal)