a member of certain orders of knighthood or of modern French orders such as the Legion of Honour.
(Chevalier)British historical a title of the Old and Young Pretenders.
Origin:
late Middle English (denoting a horseman or mounted knight): from Old French, from medieval Latin caballarius, from Latin caballus 'horse'. Compare with caballero and cavalier
chevalier in other Oxford dictionaries
Definition of chevalier in the US English dictionary