Source : Webster's Revised Unabridged Dictionary (1913)

Charwoman \Char"wom`an\, n.; pl. {Charwomen}. [See {Char} a
   chore.]
   A woman hired for odd work or for single days.

Source : WordNet®

charwoman
     n : a human female who does housework; "the char will clean the
         carpet" [syn: {char}, {cleaning woman}, {cleaning lady},
         {woman}]