bass
n. C / Un. the lowest range of musical notes or the person who sings them. It also refers to instruments that play these deep sounds, like a double bass or a bass guitar.
n. the lowest part of the musical range or the lowest adult male singing voice. Often used to refer to instruments designed to produce low-frequency tones, such as the double bass or electric bass guitar.
The bass in this song is very loud.
The choir director asked the bass section to sing more softly during the opening verse.
While the melody captures the listener's immediate attention, the driving bass line provides the essential rhythmic and harmonic foundation that gives the track its energy.
Countable when referring to a specific singer or instrument; uncountable when referring to the general range of sound.