Source : Webster's Revised Unabridged Dictionary (1913)

Solitaire \Sol`i*taire"\, n. [F. See {Solitary}.]
   1. A person who lives in solitude; a recluse; a hermit.
      --Pope.

   2. A single diamond in a setting; also, sometimes, a precious
      stone of any kind set alone.

            Diamond solitaires blazing on his breast and wrists.
                                                  --Mrs. R. H.
                                                  Davis.

   3. A game which one person can play alone; -- applied to many
      games of cards, etc.; also, to a game played on a board
      with pegs or balls, in which the object is, beginning with
      all the places filled except one, to remove all but one of
      the pieces by ``jumping,'' as in draughts.

   4. (Zo["o]l.)
      (a) A large extinct bird ({Pezophaps solitaria}) which
          formerly inhabited the islands of Mauritius and
          Rodrigeuz. It was larger and taller than the wild
          turkey. Its wings were too small for flight. Called
          also {solitary}.
      (b) Any species of American thrushlike birds of the genus
          {Myadestes}. They are noted their sweet songs and
          retiring habits. Called also {fly-catching thrush}. A
          West Indian species ({Myadestes sibilans}) is called
          the {invisible bird}.

Source : WordNet®

solitaire
     n 1: a gem (usually a diamond) in a setting by itself
     2: extinct flightless bird related to the dodo [syn: {Pezophaps
        solitaria}]
     3: dull gray North American thrushes noted for its beautiful
        song
     4: a card game played by one person [syn: {patience}]