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

housemaid \house"maid`\, n.
   a female servant employed to do housework, esp. to take care
   of the rooms.
   1913 webster

   housemaid's knee med., a swelling over the knee, due to
      an enlargement of the bursa in the front of the kneepan;
      -- so called because frequently occurring in servant girls
      who work upon their knees.
      1913 webster
see also:
housemaid's knee 

[2] : WordNet (r) 2.0

housemaid
     n : a female domestic syn: maid, maidservant, amah
see also:
maid maidservant amah 

Housemaid >> H Words
Housemaid, definition of term: Housemaid
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