1. (

• solitaire

) a gem (usually a diamond) in a setting by itself ;

2. (

• solitaire ,
• Pezophaps_solitaria

) extinct flightless bird related to the dodo ;

3. (

• solitaire ,

) a dull grey North American thrush noted for its beautiful song ;

4. (

• solitaire ,
• patience ,

) a card game played by one person ;