[ buhk-uh-roo, buhk-uh-roo ]
/ ˈbʌk əˌru, ˌbʌk əˈru /

noun, plural buck·a·roos.

Western U.S. a cowboy, especially a broncobuster.
Older Slang. fellow; guy.

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. 2019

Examples from the Web for buckaroo

  • 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

/ (ˈbʌkəˌruː, ˌbʌkəˈruː) /

noun plural -roos

Southwestern US a cowboy

Word Origin for buckaroo

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