- 1[uncountable] the lowest tone or part in music, for instruments or voices He always plays his stereo with the bass turned up. He sings bass. a pounding bass line see drum and bass compare treble
- 2[countable] a man's singing voice with a low range; a man with a bass voice compare alto, baritone, tenor
- 3[singular] a musical part that is written for a bass voice
- 4(also bass guitar) [countable] an electric guitar that plays very low notes a bass player bass and drums Les Claypool on (= playing) bass
- 5[countable] = double bass
Check pronunciation: bass