soundbox sound bow • sound box · · · Info · Definitions · Synonyms · Characters · · soundbox · · Text Latin · · Script 8 · · Length 2 · · Syllables Definitions · · · (noun) a resonating chamber in a musical instrument (as the body of a violin). Synonyms: body. · · Noun Definition 1 Synonyms · · · body · · Synonym 1 Characters · · b latin small letter b U+0062 d latin small letter d U+0064 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075 x latin small letter x U+0078