concertina concertgoer • concertinist · · · Info · Definitions · Characters · · concertina · · Text Latin · · Script 10 · · Length Definitions · · · (noun) coiled barbed wire used as an obstacle. · · Noun Definition 1 (noun) free-reed instrument played like an accordion by pushing its ends together to force air through the reeds. · · Noun Definition 2 (verb) collapse like a concertina. · · Verb Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 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 t latin small letter t U+0074