DictionaryaccordionMusical instrument
noun / adjective

accordion

uh-KOR-dee-un/əˈkɔːrdiən/

A bellows-driven musical instrument with keys or buttons.

The accordion has a piano keyboard, rows of buttons, and pleated bellows.

A single piano accordion in three-quarter view, its bellows partly extended so the piano keyboard, pleated bellows, bass buttons, and carrying straps are immediately recognizable.
Etymology

Akkord means a musical chord or concord of sounds. The instrument’s name uses that musical sense of harmony, with an ending modeled on names such as clarion.

In context

Mattress Clarity1:17
pushing in and out like you're playing an accordion or something. So just push in, come back out, push back in again
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More examples

  • Her accordion has piano-style keys on one side.
  • An accordion door folds back against the wall.
  • The band includes two accordions and a violin.

Forms

accordion · accordions

Similar words

concertina
A smaller bellows instrument, usually with buttons at both ends.