from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Western U.S. See cowboy.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A cowboy, specifically, a working cowboy who generally does not do rodeos.
- n. One who sports a distinctive buckaroo style of cowboy clothing, boots, and heritage.
- n. A style of cowboy boot with a high and uniquely tapered heel.
- n. A reckless, headstrong person.
- n. A dollar (variation of buck).
from the GNU version of the Collaborative International Dictionary of English
- n. a cowboy, especially used of one who breaks broncos; -- used especially in California.
- n. a fellow; a guy.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. local names for a cowboy (`vaquero' is used especially in southwestern and central Texas and `buckaroo' is used especially in California)
Alteration (perhaps influenced by buck1) of Spanish vaquero, from vaca, cow, from Latin vacca.(American Heritage® Dictionary of the English Language, Fourth Edition)
1889, derived from Spanish vaquero ("cowboy"), from vaca ("cow"), from Latin vacca, plus Spanish -ero ("-er"). Spelling influenced by buck. (Wiktionary)