Source : Webster's Revised Unabridged Dictionary (1913)

Masseur \Mas`seur"\, n. m., Masseuse \Mas`seuse"\, n. f.,][F.,
   or formed in imitation of French. See {Massage}.] (Med.)
   One who performs massage.

Masseur \Mas`seur"\ (m[.a]`s[^u]r"), n.; pl. {-seurs}
   (-s[^u]rz"; F. -s[^u]r"). [F. See {Massage}.]
   1. A man who practices massage.

   2. An instrument used in the performance of massage.

Source : WordNet®

masseur
     n : a male massager