concertina - definition and synonyms

noun [countable] 

Your browser doesn’t support HTML5 audio

/ˌkɒnsə(r)ˈtiːnə/
singularconcertina
pluralconcertinas
  1. Your browser doesn’t support HTML5 audio

    a musical instrument similar to an accordion that you play by pressing buttons on each side and pushing the two sides together
    1. a.
      used about things with parts that can be squeezed or pressed together like the sides of a concertina