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Rough Riders

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plural noun
  1. the members of a volunteer regiment of cavalry organized by Theodore Roosevelt and Leonard Wood for service in the Spanish-American War.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for rough rider

n.

1733, "horse-breaker," from rough (adj. or adv.) + rider. In specific military use, a non-commissioned officer in cavalry regiments, from 1802; meaning "irregular cavalryman" is attested from 1884.

Online Etymology Dictionary, © 2010 Douglas Harper

rough rider in Culture

Rough Riders

The nickname of a volunteer group of cavalry led by Colonel Theodore Roosevelt in the Spanish-American War. They were famous for a victorious charge at the Battle of San Juan Hill in Cuba.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.