/ Dictionary / Index S soundbox: Meaning and Definition of Find definitions for: sound•box Pronunciation: (sound'boks"), [key] — n. a chamber in a musical instrument, as the body of a violin, for increasing the sonority of its tone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: soundbox (Thesaurus) sound bow sound camera 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