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narwhal

American  
[nahr-wuhl] / ˈnɑr wəl /
Also narwal,

noun

  • narwhals
    plural
  1. a small Arctic whale, Monodon monoceros, the male of which has a long, spirally twisted tusk extending forward from the upper jaw.


narwhal British  
/ ˈnɑːˌweɪl, ˈnɑːwəl /

noun

  1. an arctic toothed whale, Monodon monoceros, having a black-spotted whitish skin and, in the male, a long spiral tusk: family Monodontidae

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns


Etymology

Origin of narwhal

First recorded in 1650–60; from Scandinavian; compare Norwegian, Swedish, Danish nar(h)val, reshaped from Old Norse nāhvalr, equivalent to nār “corpse” + hvalr whale 1; allegedly so called because its skin resembles that of a human corpse


Explanation

A narwhal is like the unicorn of whales, with a long pointy tusk sticking out of its head. And, like unicorns, you probably won't spot one (unless you are traveling the Arctic waters near Greenland). Only male narwhals have a distinctive ivory tusk, which is actually a long, protruding canine tooth. It's a medium-sized whale, related to the beluga, and it's able to dive underwater for up to 25 minutes at a time. Narwhal comes from the Danish narhval, with the Old Norse root nahvalr literally meaning "corpse whale," for the narwhal's pale white color, thought to resemble the shade of a dead body.

Keep Reading on Vocabulary.com

Vocabulary lists containing narwhal

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The fight against climate change has a new, spiral-tusked ally: the narwhal.

From Barron's ● Aug. 26, 2026

An extended version of the ad also features a talking narwhal.

From Seattle Times ● Feb. 7, 2024

It is also home to wildlife such as polar bears, muskoxen and the elusive narwhal.

From BBC ● Sep. 14, 2023

And while this shift isn't necessarily bad for the opportunistic cetaceans, which can adapt to a certain threshold of oceanic shifts, it places immense stress on endemic species like narwhal.

From Salon ● Mar. 7, 2023

When I look over, she’s hugging her stuffed narwhal, looking all of a sudden like a deflated balloon.

From "A Soft Place to Land" by Janae Marks

With the narwhals plumbing the cold depths of the Arctic ocean, "we can sit at our warm offices and drink coffee while the data comes in," he added.

From Barron's ● Aug. 26, 2026

Menopause is known to exist in five species of toothed whale: short-finned pilot whales, false killer whales, killer whales, narwhals and beluga whales.

From Science Daily ● Mar. 13, 2024

Her earlier research showed that eastern North Atlantic orcas primarily feed on herring; mid-North Atlantic orcas feed on seals and mackerel; and western North Atlantic orcas feed on baleen whales, porpoises, belugas, narwhals, and seals.

From National Geographic ● Oct. 11, 2023

True tusks are defined as continually growing teeth that stick out of the mouth, and narwhals are the only living cetaceans that have them.

From New York Times ● Jun. 13, 2023

What happened when all the new animals in the north killed off the arctic foxes and belugas and narwhals and polar bears that already lived there?

From "Two Degrees" by Alan Gratz

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