n.
The largest bowed stringed instrument in the modern orchestra, also used frequently in jazz ensembles, especially played pizzicato. The double bass, usually considered a member of the violin family, is tuned in fourths and has the sloping shoulders and flat back characteristic of the viols. It has a deep range, going as low as three octaves below middle C. Also called bass fiddle, bass viol, Also called bull fiddle, contrabass, Also called string bass.
[DOUBLE, tuned an octave lower than (from the fact that a string or pipe that is twice the length of another gies a pitch an octave lower) + BASS2.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.