baritone
noun
[ ˈbarɪtəʊn ]
• an adult male singing voice between tenor and bass.
• "he sang in a rich baritone"
• an instrument that is second lowest in pitch in its family.
• "a baritone sax"
Origin:
early 17th century: from Italian baritono, from Greek barutonos, from barus ‘heavy’ + tonos (see tone).