Source : Webster's Revised Unabridged Dictionary (1913)

Odalisque \O`da`lisque"\, n. [F., fr. Turk. odaliq chambermaid,
   fr. oda chamber, room.]
   A female slave or concubine in the harem of the Turkish
   sultan. [Written also {odahlic}, {odalisk}, and {odalik}.]

         Not of those that men desire, sleek Odalisques, or
         oracles of mode.                         --Tennyson.

Source : WordNet®

odalisque
     n : a woman who cohabits with an important man [syn: {concubine},
          {courtesan}, {doxy}, {paramour}]