contrabass

English Thesaurus

1. largest and lowest member of the violin family (noun.artifact)

hypernym	:	bass,
definition	:	the member with the lowest range of a family of musical instruments (noun.artifact)

hypernym	:	bowed stringed instrument, string,
definition	:	stringed instruments that are played with a bow (noun.artifact)

2. pitched an octave below normal bass instrumental or vocal range (adj.all)

similar	:	low, low-pitched,
definition	:	used of sounds and voices; low in pitch or frequency (adj.all)