n.
Pronunciation: ' b ā s
Function: noun
Date: 15th century
1 a : the lowest voice part in a 4-part chorus b : the lower half of the whole vocal or instrumental tonal range ― compare TREBLE c : the lowest adult male singing voice also : a person having this voice d : a member of a family of instruments having the lowest range especially : DOUBLE BASS
2 : a deep or grave tone : a low-pitched sound