| BAS | the lowest adult male singing voice |
|---|---|
| BAS | the lowest part in polyphonic music |
| BAS | any of various North American freshwater fish with lean flesh (especially of the genus Micropterus) |
| BAS | the lean flesh of a saltwater fish of the family Serranidae |
| BAS | an adult male singer with the lowest voice |
| BAS | having or denoting a low vocal or instrumental range |
| BAS | a large clarinet whose range is an octave below the B-flat clarinet |
| BAS | a clef that puts the F below middle C on the fourth line of a staff |
| BAS | a large drum with two heads |
| BAS | largest and lowest member of the violin family |
| BAS | the lowest six-stringed guitar |
| BAS | the lowest brass wind instrument |