bull fiddle, contrabass, double bass, string bass, bass fiddle, bass viol - largest and lowest member of the violin family

cello, violoncello - a large stringed instrument; seated player holds it upright while playing

fingerboard - a narrow strip of wood on the neck of some stringed instruments (violin or cello or guitar etc) where the strings are held against the wood with the fingers

stringed instrument - a musical instrument in which taut strings provide the source of sound

viol - any of a family of bowed stringed instruments that preceded the violin family

viola - a bowed stringed instrument slightly larger than a violin, tuned a fifth lower

fiddle, violin - bowed stringed instrument that is the highest member of the violin family; this instrument has four strings and a hollow body and an unfretted fingerboard and is played with a bow