Source : Webster's Revised Unabridged Dictionary (1913)

Scaramouch \Scar"a*mouch`\, n. [F. scaramouche, It. scaramuccio,
   scaramuccia, originally the name of a celebrated Italian
   comedian; cf. It. scaramuccia, scaramuccio, F. escarmouche,
   skirmish. Cf. {Skirmish}.]
   A personage in the old Italian comedy (derived from Spain)
   characterized by great boastfulness and poltroonery; hence, a
   person of like characteristics; a buffoon.

Source : WordNet®

Scaramouch
     n : a stock character in commedia dell'arte depicted as a
         boastful coward [syn: {Scaramouche}]