baritone
noun(bar-i-tone)
the second lowest brass wind instrument
Synonyms: baritone horn, 
baritone
noun(bar-i-tone)
a male singer
baritone
noun(bar-i-tone)
the second lowest adult male singing voice
Synonyms: baritone voice, 
baritone
adjective(bar-i-tone)
lower in range than tenor and higher than bass
Examples:
A baritone voice. 
Baritone oboe.