/ˈkaʊbɔɪ ||; ˈkaυˌbɔɪ/noun[C] 1 a man whose job is to look after cows (usually on a horse) in certain parts of the US （美国某些地区骑马的）牧牛人，牛仔
2 (Brit 英) (informal 非正式) a person in business who is not honest or who does work badly 不诚实的商人；不称职的商人: a cowboy builder 不老实的建筑商