n(1)队长(chief person or leader of a team or group)[C]：He is(the)～of the football team/the fire-brigade.他是足球队长/消防队长。〖同〗leader，headman，chief;

(2)船长，机长(person in charge of a ship，aircraft，etc)[C]：The man in charge of an aircraft or a ship is the～.负责一架飞机或一艘船的人是机(船)长。the～of a battleship一艘战舰的舰长;

(3)(陆军)上尉;(海军)上校(in the British army，officer next below major or，in the British navy，officer next below commodore)[C]：C～John Smith 约翰·史密斯上尉;He has been a～for years. 他当上尉多年了。

→′captaincy n 船长(上尉)的职位(任期，才能);

vt 担任队(船)长(act as，be captain of (a football team，ship，etc))[T+n]：John will～the baseball team/the football team/the side.约翰将出任垒球队/足球队/这个队的队长。He～ed the ship while the captain was ill.船长生病时他担任船长工作。He is the best player to have～ed England.他是担任英格兰队队长的最佳运动员。