piano accordion piano • piano action · · · Info · Definitions · Synonyms · Characters · · piano accordion · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player. Synonyms: accordion, piano accordion, squeeze box. · · Noun Definition 1 Synonyms · · · accordion · · Synonym 1 squeeze box · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072