ˌfirst ˈlady noun 1. the first lady the wife of the president of the US, or of the governor of a US state 第一夫人〔指美国的总统夫人或州长夫人〕
2 [countableC usually singular] a woman who is considered to be the very best at a particular thing 女杰,巾帼英雄first lady of the first lady of jazz, Billie Holiday 爵士乐天后比利•霍利戴