a very low male singing voice, or a man with a voice like this
the part of a musical work that is written for a singer with a bass voice ➔ alto2 (2), baritone1 (2), soprano1 (2), tenor1 (2)
the lower half of the whole range of musical notes [↪ treble]
a bass guitar:
The band features Johnson on bass (=playing the bass guitar).
a double bass
! Do not confuse bass and base, although they have the same pronunciation.