accordion

US /əˈkɔ:rdiən/

UK /əˈkɔ:diən/

C1

noun

  • Musical instrument you squeeze with your hands
  • A musical instrument with bellows, metal reeds, and keys or buttons, played by compressing or expanding the bellows while pressing the keys or buttons.

adjective

  • Having folds or pleats resembling those of an accordion.

other

  • To collapse or fold together in the manner of an accordion.