lady

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A well-mannered and considerate woman with high standards of proper behavior.
2. n. A woman regarded as proper and virtuous.
3. n. A well-behaved young girl.
4. n. A woman who is the head of a household.
5. n. A woman, especially when spoken of or to in a polite way.
6. n. A woman to whom a man is romantically attached.
7. n. Informal A wife.
8. n. Chiefly British A general feminine title of nobility and other rank, specifically:
9. n. Chiefly British Used as the title for the wife or widow of a knight or baronet.
10. n. Chiefly British Used as a form of address for a marchioness, countess, viscountess, baroness, or baronetess.
11. n. Chiefly British Used as a form of address for the wife or widow of a baron.
12. n. Chiefly British Used as a courtesy title for the daughter of a duke, a marquis, or an earl.
13. n. Chiefly British Used as a courtesy title for the wife of a younger son of a duke or marquis.
14. n. The Virgin Mary. Usually used with Our.
15. n. Slang Cocaine.

Century Dictionary and Cyclopedia

1. n. A woman who has authority over a manor or family; the mistress of a household: the feminine correlative to lord.
2. n. Specifically, in Great Britain, the proper title of any woman whose husband is higher in rank than baronet or knight, or who is the daughter of a nobleman not lower than an earl, though the title is given by courtesy also to the wives of baronets and knights; also, the feminine title correlative originally to Lord, and now also to Sir.
3. n. In the days of chivalry, the woman chosen by a knight or squire as the object of his especial service, his feats of arms being done in her honor, and his success ascribed to her influence.
4. n. A woman of good family and of established social position, or one accepted as such: a restricted sense correlative to gentleman in like use.
5. n. A woman of good breeding, education, and refinement of mind and manner: a general sense correlative to gentleman in like use: in common speech used indiscriminately as a synonym for woman (a use generally vulgar, and to be avoided except in address). See gentleman, 4.
6. n. A wife; a man's spouse: used in this sense always with direct reference to the husband: as, John Smith and lady.
7. n. A sweetheart.
8. n. A slate measuring about 16 inches long by 10 broad.
9. n. The calcareous apparatus in the cardiac part of the stomach of the lobster, the function of which is the trituration of the food.
10. Of a lady; ladylike.
11. n. In astrology, a term designating the planet Venus when in the circumstances under which, if a masculine planet, she would be termed lord: as, lady of the ascendant.

Wiktionary

1. n. The mistress of a household.
2. n. A woman of breeding or higher class, a woman of authority.
3. n. The feminine of lord.
4. n. A title for someone married to a lord.
5. n. A title for somebody married to a gentleman.
6. n. A title that can be used instead of the formal terms of marchioness, countess, viscountess or baroness.
7. n. A polite term referring to a woman.
8. n. A polite form of address to women
9. n. A highly colloquial and/or impolite form of address to a woman.
10. n. Toilets intended for use by women.
11. n. An affectionate term for one's wife or girlfriend.
12. n. a queen (the playing card)
13. n. (with a professional title) Who is a woman.

GNU Webster's 1913

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. Any woman; ; also used in combination.
8. 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.
9. adj. Belonging or becoming to a lady; ladylike.

WordNet 3.0

1. n. a polite name for any woman
2. n. a woman of refinement
3. n. a woman of the peerage in Britain