accordion accordingly • accordionist · · · Info · Definitions · Synonyms · Characters · · accordion · · Text Latin · · Script 9 · · Length 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: piano accordion, squeeze box. · · Noun Definition 1 Synonyms · · · piano accordion · · Synonym 1 squeeze box · · Synonym 2 Characters · · 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 r latin small letter r U+0072