sound box soundbox • sound cage · · · Info · Definitions · Synonyms · Characters · · sound box · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) a resonating chamber in a musical instrument (as the body of a violin). Synonyms: soundbox, body. · · Noun Definition 1 Synonyms · · · soundbox · · Synonym 1 body · · Synonym 2 Characters · · space U+0020 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