deuce
1. deuce \'d(y)u:s\ n [MF deus two, fr. L duos, acc. masc. of duo two - more at (] [obs. E deuce bad luckMTWO 1a1: the face of a die that bears two spots 1a2: a playing card bearing an index number two 1b: a cast of dice yielding a point of two 2: a tie in tennis with each side having a score of 40 3a: DEVIL, DICKENS - used chiefly as a mild oath 3b: something notable of its kind 2. deuce vt : to bring the score of (a tennis game or set) to deuce