/ Dictionary / Index S sourdine: Meaning and Definition of Find definitions for: sour•dine Pronunciation: (soor-dēn'), [key] — n. Music. mute (def. 10). kit. an obsolete member of the oboe family. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sourdine (Thesaurus) sour cream sour dock Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language