mus·​tang | \ ˈmə-ˌstaŋ How to pronounce mustang (audio) \

Definition of mustang

 (Entry 1 of 2)

1 : a small hardy naturalized horse of U.S. western plains directly descended from horses brought in by the Spaniards also : bronc
2 slang : a commissioned officer (as in the U.S. Navy) who has risen from the ranks


geographical name
Mu·​stang | \ mu̇-ˈstäŋ How to pronounce Mustang (audio) \
variants: or locally Lo \ ˈlō How to pronounce Mustang (audio) \

Definition of Mustang (Entry 2 of 2)

historical Himalayan kingdom in remote northern Nepal bordered by Tibet on the west, north, and east

Examples of mustang in a Sentence

Recent Examples on the Web: Noun Training a wild mustang can be, to no one’s surprise, an intimidating task. Sunset Magazine, 4 Jan. 2021 Meanwhile, the Comanche, mounted on fleet mustangs, galloped toward them, firing arrows at a rate of 20 or 30 per minute. Jim Rasenberger, Time, 26 May 2020 The nonprofit’s signature program involves pairing veterans with wild mustangs to gentle and train, but interacting with the animals is not a requirement. Washington Post, 10 Jan. 2020 Bureau officials warn that the mustang herds are a looming catastrophe for the land, and there is no cheap or obvious solution. Dave Philipps,, 22 Mar. 2020 By the 1960s, only a few thousand mustangs were left. Dave Philipps, New York Times, 22 Mar. 2020 The well-digging behavior of feral mustangs and burros in the American West most likely echoes the original American horses, which died out about 12,000 years ago. Asher Elbein, New York Times, 26 Mar. 2020 The roundup operation itself is strikingly efficient; a helicopter and a few workers in jean jackets can catch scores of mustangs in a day. Dave Philipps,, 22 Mar. 2020 By Rachael Bale, ANIMALS Executive Editor From the legendary ponies of Chincoteague Island to the iconic mustangs of Nevada’s rangelands, free-ranging horses (detail, above) are an instantly recognizable symbol of wild America. National Geographic, 20 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mustang.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mustang


1808, in the meaning defined at sense 1

History and Etymology for mustang


Mexican Spanish mestengo, from Spanish, stray, from mesteño strayed, from mesta annual roundup of cattle that disposed of strays, from Medieval Latin (animalia) mixta mixed animals

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The first known use of mustang was in 1808

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Cite this Entry

“Mustang.” Dictionary, Merriam-Webster, Accessed 12 Jun. 2021.

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More Definitions for mustang



English Language Learners Definition of mustang

: a small and strong wild horse of western North America


mus·​tang | \ ˈmə-ˌstang How to pronounce mustang (audio) \

Kids Definition of mustang

: a small hardy wild horse of the western United States that is descended from horses brought in by the Spaniards

More from Merriam-Webster on mustang

Thesaurus: All synonyms and antonyms for mustang

Nglish: Translation of mustang for Spanish Speakers Encyclopedia article about mustang


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