The American Heritage® Dictionary of the English Language, 4th Edition
n. Music A mute for an instrument.
The Century Dictionary and Cyclopedia
n. Same as mute, 3. See con sordini, and senza sordini (under senza). These terms are occasionally used with reference to the soft pedal of the pianoforte.
n. Same as pochette.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a mute for a violin
Word Usage
"_Con sordino_ and _pizzicato_ passages occur as often for the _cello_ as for the violin."