1. (n.) A woman who looks after the domestic affairs of a family; a mistress; the female head of a household.

2. (n.) A woman having proprietary rights or authority; mistress; -- a feminine correlative of lord.

3. (n.) A woman to whom the particular homage of a knight was paid; a woman to whom one is devoted or bound; a sweetheart.

4. (n.) A woman of social distinction or position. In England, a title prefixed to the name of any woman whose husband is not of lower rank than a baron, or whose father was a nobleman not lower than an earl. The wife of a baronet or knight has the title of Lady by courtesy, but not by right.

5. (n.) A woman of refined or gentle manners; a well-bred woman; -- the feminine correlative of gentleman.

6. (n.) A wife; -- not now in approved usage.

7. (n.) The triturating apparatus in the stomach of a lobster; -- so called from a fancied resemblance to a seated female figure. It consists of calcareous plates.

8. (a.) Belonging or becoming to a lady; ladylike.

9. (n.) The day of the annunciation of the Virgin Mary, March 25. See Annunciation.

Eminence Grace Her Excellency Her Highness Her Ladyship Her Majesty Highness His Lordship His Majesty Honor Imperial Highness Imperial Majesty Ladyship Lord Lordship Majesty My Lady My Lord Reverence Royal Highness Royal Majesty Serene Highness Worship Your Lordship milady milord