1a singing voice between baritone and alto or countertenor, the highest of the ordinary adult male range:the Serenade for tenor, horn, and strings [as modifier]:he had a good tenor voice
a singer with a tenor voice.
a part written for a tenor voice:several members of the party had been able to put in the tenor and the bass
2 [usually as modifier] an instrument, especially a saxophone, trombone, tuba, or viol, of the second or third lowest pitch in its family:a tenor sax
(in full tenor bell) the largest and deepest bell of a ring or set.
