[1] : The Collaborative International Dictionary of English v.0.48

lady \la"dy\ l=a"dy^, n.; pl. ladies l=a"di^z.
   oe. ladi, laefdi, as. hl=aefdige, hl=aefdie; as.
   hl=af loaf + a root of uncertain origin, possibly akin to
   e. dairy. see loaf, and cf. lord.
   1913 webster
   1. a woman who looks after the domestic affairs of a family;
      a mistress; the female head of a household.
      1913 webster

            agar, the handmaiden of sara, whence comest thou,
            and whither goest thou? the which answered, fro the
            face of sara my lady.                 --wyclif gen.
                                                  xvi. 8..
      1913 webster

   2. a woman having proprietary rights or authority; mistress;
      -- a feminine correlative of lord. "lord or lady of high
      degree." --lowell.
      1913 webster

            of all these bounds, even from this line to this, .
            . .
            we make thee lady.                    --shak.
      1913 webster

   3. a woman to whom the particular homage of a knight was
      paid; a woman to whom one is devoted or bound; a
      sweetheart.
      1913 webster

            the soldier here his wasted store supplies,
            and takes new valor from his lady's eyes. --waller.
      1913 webster

   4. 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.
      1913 webster

   5. a woman of refined or gentle manners; a well-bred woman;
      -- the feminine correlative of gentleman.
      1913 webster

   6. a wife; -- not now in approved usage. --goldsmith.
      1913 webster

   7. hence: any woman; as, a lounge for ladies; a cleaning
      lady; also used in combination; as, saleslady.
      pjc

   8. zool. 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.
      1913 webster

   ladies' man, a man who affects the society of ladies.

   lady altar, an altar in a lady chapel. --shipley.

   lady chapel, a chapel dedicated to the virgin mary.

   lady court, the court of a lady of the manor.

   lady crab zool., a handsomely spotted swimming crab
      platyonichus ocellatus very common on the sandy shores
      of the atlantic coast of the united states.

   lady fern. bot. see female fern, under female, and
      illust. of fern.

   lady in waiting, a lady of the queen's household, appointed
      to wait upon or attend the queen.

   lady mass, a mass said in honor of the virgin mary.
      --shipley.

   lady of the manor, a lady having jurisdiction of a manor;
      also, the wife of a manor lord.

   lady's maid, a maidservant who dresses and waits upon a
      lady. --thackeray.

   our lady, the virgin mary.
      1913 webster
see also:
ladies loaf lord gentleman ladies' man lady altar 
lady chapel lady court lady crab platyonichus ocellatus lady fern 
female fern female fern lady in waiting lady mass 
lady of the manor lady's maid our lady 

[2] : The Collaborative International Dictionary of English v.0.48

lady \la"dy\, a.
   belonging or becoming to a lady; ladylike.
   1913 webster "some lady trifles."            --shak.
   1913 webster

[3] : WordNet (r) 2.0

lady
     n 1: a polite name for any woman; "a nice lady at the library
          helped me"
     2: a woman of refinement; "a chauffeur opened the door of the
        limousine for the grand lady" syn: dame, madam, ma'am,
         gentlewoman
     3: a woman of the peerage in britain syn: noblewoman, peeress
        ant: lord, lord
see also:
dame madam ma'am gentlewoman noblewoman peeress 
lord 

[4] : Moby Thesaurus II by Grady Ward, 1.0

26 moby thesaurus words for "lady":
   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

[5] : Moby Thesaurus II by Grady Ward, 1.0

107 moby thesaurus words for "lady":
   dulcinea, eve, frau, fraulein, miss, mistress, mlle, mme, mmes,
   acceptable person, archduchess, baroness, best girl, better half,
   capital fellow, common-law wife, concubine, countess, dame,
   daughter of eve, diamond, distaff, domina, dona, donna, dowager,
   dream girl, duchess, faithful, feme, feme covert, femme, frow,
   galantuomo, gem, gentilhomme, gentleman, gentlewoman, gill, girl,
   girl friend, good fellow, good lot, good man, good person,
   good sort, good woman, goodwife, goody, grand duchess, helpmate,
   helpmeet, honest man, honest woman, inamorata, jewel, jill, jo,
   khanum, lady love, lass, lassie, madam, madame, mademoiselle,
   man of honor, marchioness, margravine, married woman, matron,
   mem-sahib, mensch, mesdames, milady, mistress, noblewoman,
   old lady, old woman, pearl, peeress, perfect gentleman,
   perfect lady, persona grata, prince, real lady, real man, rib,
   right sort, rough diamond, senhora, senhorita, signora, signorina,
   squaw, straight shooter, true blue, truepenny, trusty, viscountess,
   vrouw, wahine, weaker vessel, wedded wife, wife, woman,
   woman of honor, worthy

[6] : The Free On-line Dictionary of Computing (27 SEP 03)

lady
     
         "key concepts in the incas multicomputer project",
        j. nehmer et al ieee trans soft eng se-138:913-923 aug
        1987.
     
        1996-06-21
     
     

Lady >> L Words
Lady, definition of term: Lady
lady_pag1.html

Lady Killer >> L Words
Lady Killer, definition of term: Lady Killer
lady+killer_pag1.html

Lady Godiva >> L Words
Lady Godiva, definition of term: Lady Godiva
lady+godiva_pag1.html

Lady Friend >> L Words
Lady Friend, definition of term: Lady Friend
lady+friend_pag1.html

Painted Lady >> P Words
Painted Lady, definition of term: Painted Lady
painted+lady_pag1.html

Our Lady >> O Words
Our Lady, definition of term: Our Lady
our+lady_pag1.html

First Lady >> F Words
First Lady, definition of term: First Lady
first+lady_pag1.html

Lady In Waiting >> L Words
Lady In Waiting, definition of term: Lady In Waiting
lady+in+waiting_pag1.html