bar·i·tone also
bar·y·tone 
(b
ăr
ĭ-t
ōn
′)
n.1. a. A male singer or voice with a range higher than a bass and lower than a tenor.
b. An instrument that sounds within this range.
c. A vocal or instrumental part written in this range.
2. A valved brass instrument similar to but larger than the euphonium.
[Italian baritono, from Greek barutonos, deep sounding : barus, heavy; see gwerə-1 in the Appendix of Indo-European roots + tonos, tone; see TONE.]