accordion
noun
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How to pronounce accordion:

Definition of accordion:

accordion (noun):
a portable keyboard wind instrument in which the wind is forced past free reeds by means of a hand-operated bellows
a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player.

Synonyms for accordion:

clavier
free-reed instrument
keyboard instrument
piano accordion
piano keyboard
squeeze box