lady. In Britain, a title belonging to the wife of a peer, (by courtesy) the wife of a baronet or knight, or any single or married woman whose father was a nobleman carrying a rank of earl or higher.
lady n. (1)女士;夫人;小姐 (2)贵妇人 (3)〔L-〕〈英〉小姐 对公爵、侯爵、伯爵的女儿的尊称。 (4)〔L-〕〈英〉夫人;女士 对男爵以上或享有贵族爵位称号者之妻的尊称;习惯上对从男爵或骑士的妻子也作如是之称呼。 (5)〔L-〕〈英〉女勋爵 对有侯、伯、子、男世袭爵位贵族女子在非正式场合的称呼。