string bass 
noun
(Especially among jazz musicians) a double bass.With bassist John Heard at Hamp's elbow, their string bass and vibes merged solidly throughout the program....
- ‘The Bells’ drifts lazily on the gentle dissonant pulsations between bass clarinet and string bass.
- He is currently studying jazz at Humber College and performed a stellar piano jazz number accompanied by trumpet, string bass and drums.
- protec.
- protect
- protectable
- protectant
- protected area
- protectee
- protectful
- protectible
- protection
- protectional
- protectionary
- protectionate
- protection factor
- protection fee
- protection forest
- protectionism
- protectionist
- protection money
- protection order
- protection racket
- protection rent
- protective
- protective arrest
- protective colloid
- protective coloration