lady, mistress, feminine of lord, master; a female ruler, superior or head - superior of a nunnery, an abbess, prioress, etc.; lady of the house, a housewife; the title of women members of the order of the British Empire

informal terms for a (young) woman

a woman of refinement; "a chauffeur opened the door of the limousine for the grand lady"

a caricature of a woman in the play

a woman of attitude and conviction, style and flair, with a steely personality, but above all, total self-awareness

a nonhereditary title. Originally used as a courtesy title for a woman in authority or a mistress of a household. Also used as the title of a wife or widow of a knight. Later someone who has been made a Dame of the British Empire by the monarch.

female title equivalent to that of knight.

a lady who has been knighted

Dame is the female equivalent of address to Sir for a British knighthood. In the UK honours system, this can be the title of a woman who has been awarded the Order of the Bath, Order of St Michael and St George, Royal Victorian Order, or Order of the British Empire.