noun
A man who tends free-range cattle, especially in the American West.
A man who identifies with cowboy culture, including wearing a cowboy hat and being a fan of country and western music.
(informal) A person who engages in reckless behavior, especially for the purpose of showing off.
(British, informal) A dishonest or incompetent independent tradesman.
(card games, slang) A playing card of king rank.
(uncountable) Ellipsis of cowboy pool.
verb
(intransitive) To work as a cowboy, herding cattle.