pronghorn

noun

prong·​horn ˈprȯŋ-ˌhȯrn How to pronounce pronghorn (audio)
ˈpräŋ-
variants or less commonly pronghorn antelope
plural pronghorn or pronghorns also pronghorn antelope or pronghorn antelopes
: a swift horned ruminant mammal (Antilocapra americana) chiefly of grasslands and deserts of western North America that has a slender lean build and horns that in males grow to 10-16 inches (25-41 cm) long and have an additional forward-facing prong and in females grow to 1-2 inches (2-5 cm) long and lack a prong

Note: Although the pronghorn is sometimes informally called the pronghorn antelope or less commonly the American antelope, it belongs to a different family than true antelope and is the only living species of its family (Antilocapridae).

Illustration of pronghorn

Illustration of pronghorn

Examples of pronghorn in a Sentence

Recent Examples on the Web
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The North American prairie is an ecological marvel, home to some of the nation’s most iconic creatures — bison, elk, wolves, pronghorn, prairie dogs and bald eagles. Mary Ann Grossmann, Twin Cities, 7 May 2026 Bighorn sheep, elk, moose, bears, mule deer, pronghorn, and bison thrive in the park. Patricia Doherty, Travel + Leisure, 3 May 2026 Dry fields are also vulnerable to noxious weeds like leafy spurge and toadflax, which are toxic to cattle and unpalatable to native ungulates like deer and pronghorn antelope. Krista Kafer, Denver Post, 7 Apr. 2026 Wildebeest, elk, lions, pronghorns, snapping turtles, baboons, wolves, and warthogs wait, oozing, for their turn in the lineup. Jeff Wilson, Outdoor Life, 11 Mar. 2026 See All Example Sentences for pronghorn

Word History

First Known Use

1806, in the meaning defined above

Time Traveler
The first known use of pronghorn was in 1806

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Cite this Entry

“Pronghorn.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pronghorn. Accessed 12 May. 2026.

Kids Definition

pronghorn

noun
prong·​horn ˈprȯŋ-ˌhȯ(ə)rn How to pronounce pronghorn (audio)
ˈpräŋ-
plural pronghorn or pronghorns
: a cud-chewing horned mammal of treeless parts of western North America resembling an antelope

called also pronghorn antelope

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