concertina

/ˌkɑnsərˈtinə/
noun
  1. A small musical instrument with bellows and buttons, similar to an accordion.
    • She played a lively folk tune on her concertina.
    • He learned to play the concertina from his grandfather.
    • The street musician's concertina drew a small crowd.
verb
  1. To fold or collapse in a zigzag pattern like a concertina's bellows.
    • The paper concertinaed as it was pushed into the small box.
    • The car's front end concertinaed on impact with the wall.
    • During the earthquake, the building's floors concertinaed together.
Synonyms
What does "concertina" mean? | whatsthatwordmean | whatsthatwordmean