bighorn sheep

noun

big·​horn sheep ˈbig-ˌhȯrn- How to pronounce bighorn sheep (audio)
variants or less commonly bighorn
plural bighorn sheep also bighorns or bighorn
: a usually grayish-brown wild sheep (Ovis canadensis) of mountainous and desert regions of western North America

Note: The bighorn sheep has a white patch on the rump and, in the males, massive horns that curve up and back over the ears and then up and forward toward the cheeks.

Illustration of bighorn sheep

Illustration of bighorn sheep

Examples of bighorn sheep in a Sentence

Recent Examples on the Web
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Spanning 71,000 acres, Custer State Park has plenty of room to share with its free-ranging bison herd and wildlife like elk, bighorn sheep, and mountain goats. Dave Parfitt, USA Today, 30 May 2026 As the largest national park in the Canadian Rockies and the world's second largest dark sky preserve, Jasper National Park boasts an extensive trail network and the chance to spot wildlife like black and grizzly bears, bighorn sheep, mountain goats, and more. Michael Cappetta, Travel + Leisure, 28 May 2026 The roadway carries more than a million vehicles each month and runs through a key population of bighorn sheep, Caltrans said. Los Angeles Times, 17 May 2026 On Mother's Day, the zoo shared a post highlighting its baby orangutan, bighorn sheep, wallaby and more. Christa Swanson, CBS News, 11 May 2026 See All Example Sentences for bighorn sheep

Word History

First Known Use

1817, in the meaning defined above

Time Traveler
The first known use of bighorn sheep was in 1817

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Cite this Entry

“Bighorn sheep.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bighorn%20sheep. Accessed 5 Jun. 2026.

Kids Definition

bighorn sheep

noun
big·​horn sheep ˈbig-ˌhȯrn- How to pronounce bighorn sheep (audio)
: a usually grayish brown wild sheep of mountainous western North America

called also bighorn, Rocky Mountain sheep

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