a musical instrument resembling an accordion but having buttonlike keys, hexagonal bellows and ends, and a more limited range.
concertina wire.
verb (used without object),con·cer·ti·naed[kon-ser-tee-nuhd], /ˌkɒn sərˈti nəd/, con·cer·ti·na·ing[kon-ser-tee-nuh-ing]. /ˌkɒn sərˈti nə ɪŋ/.
to fold, crush together, or collapse in the manner of a concertina: The car concertinaed when it hit the truck.
verb (used with object),con·cer·ti·naed[kon-ser-tee-nuhd], /ˌkɒn sərˈti nəd/, con·cer·ti·na·ing[kon-ser-tee-nuh-ing]. /ˌkɒn sərˈti nə ɪŋ/.
to cause to fold or collapse in the manner of a concertina.
adjective
of, relating to, or resembling a concertina: concertina pleats.
Origin of concertina
apparently coined by the original instrument's inventor, English instrument-maker Charles Wheatstone (1802–75), who patented it in 1829; cf. concertino, seraphina a similar instrument
There is concertina barbed wire going up on parts of the border between Bangladesh and India.
Al Gore Warms Up|Lloyd Grove|December 9, 2009|DAILY BEAST
You had the line opening and shutting like a concertina this morning.
Punch, or the London Charivari, Vol. 153, Aug. 22, 1917|Various
Into one of these trails stepped Samuel Mink, burdened only with his concertina and a box of cigars.
Police!!!|Robert W. Chambers
Uncle Pasco unwrapped his concertina from the red handkerchief and played nimbly for his own benefit.
The Jimmyjohn Boss and Other Stories|Owen Wister
Through the wall, without ceasing for a moment, came the sound of a concertina being played in the shop.
The Schoolmistress and Other Stories|Anton Chekhov
We fished out a concertina, too, an' a silver-mounted flute that was bobbin' among the weeds.
News from the Duchy|Sir Arthur Thomas Quiller-Couch
British Dictionary definitions for concertina
concertina
/ (ˌkɒnsəˈtiːnə) /
noun
a small hexagonal musical instrument of the reed organ family in which metallic reeds are vibrated by air from a set of bellows operated by the player's hands. Notes are produced by pressing buttons