• synonyms


[buhk-uh-roo, buhk-uh-roo]
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noun, plural buck·a·roos.
  1. Western U.S. a cowboy, especially a broncobuster.
  2. Older Slang. fellow; guy.
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Origin of buckaroo

1820–30, Americanism; earlier bakhara, baccaro, bucharo < Spanish vaquero, equivalent to vac(a) cow (< Latin vacca) + -ero < Latin -ārius -ary; perhaps influenced by buckra; later probably reanalyzed as buck1 + -eroo
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for buckaroo

Historical Examples

  • They go and throw every Tom, Dick, and Harry in this here cell, and some buckaroo has half tore up the mattress.

    The Dude Wrangler

    Caroline Lockhart

British Dictionary definitions for buckaroo


noun plural -roos
  1. Southwestern US a cowboy
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Word Origin

C19: variant of Spanish vaquero, from vaca cow, from Latin vacca
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

Word Origin and History for buckaroo


1889, American English, from bakhara (1827), from Spanish vaquero "cowboy," from vaca "cow," from Latin vacca (see vaccination). Spelling altered by influence of buck (n.1).

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Online Etymology Dictionary, © 2010 Douglas Harper