Dictionary
con•tra•bass
Pronunciation: (kon'tru-bās"), [key] Music.
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n.
1. (in any family of instruments) the member below the bass.
2. (in the violin family) the double bass.
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adj.
of, pertaining to, or characteristic of such instruments:
a contrabass trombone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.