noun
- plural of concertina: small musical instruments with bellows and buttons that produce sound when squeezed and stretched
- plural of concertina: coiled wire barriers used for security or military purposes
Usage: military; security
verb
- third person singular present of concertina: folds or collapses in a series of pleats like an accordion
Examples
- The folk band featured two concertinas in their traditional Irish music.
- Security forces installed concertinas along the perimeter fence.
- She collected vintage concertinas from around the world.
- The metal barrier concertinas when pushed together.
- Military engineers deployed concertinas to secure the checkpoint.
- The accordion player also knew how to play concertinas.
- The car’s front end concertinas during a crash test.