- A hired man, especially in the western United States, who tends cattle and performs many of his duties on horseback. Also called cowman, cowpoke, cowpuncher; also called regionally buckaroo, vaquero, waddy2. See Regional Note at vaquero. (noun)
- An adventurous hero. (noun)
- Slang A reckless person, such as a driver, pilot, or manager, who ignores potential risks. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.