Source : Webster's Revised Unabridged Dictionary (1913)

Chevalier \Che`va*lier"\, n. [F., fr. LL. caballarius. See
   {Cavaller}.]
   1. A horseman; a knight; a gallant young man. ``Mount,
      chevaliers; to arms.'' --Shak.

   2. A member of certain orders of knighthood.

   {Chevalier d'industrie}[F.], one who lives by persevering
      fraud; a pickpocket; a sharper.

   {The Chevalier St. George} (Eng. Hist.), James Francis Edward
      Stuart (son of James II.), called ``The Pretender.''

   {The Young Chevalier}, Charles Edward Stuart, son of the
      Chevalier St. George.

Source : WordNet®

Chevalier
     n 1: French actor and cabaret singer (1888-1972) [syn: {Maurice
          Chevalier}]
     2: a gallant or courtly gentleman [syn: {cavalier}]