- (North American English)
(also baby boomer British and North American English)
a person born during a baby boom, especially after the Second World War(尤指第二次世界大战后)生育高峰期出生的人 - a large male kangaroo大雄袋鼠
Word Originearly 19th cent.: probably from the verb boom ‘to make a loud sound’ + -er.