Meaning of ACCORDION in English

I. ə-ˈkȯr-dē-ən noun

Etymology: German Akkordion, from Akkord chord, from French accord, from Old French acord

Date: 1831

: a portable keyboard wind instrument in which the wind is forced past free reeds by means of a hand-operated bellows

• ac·cor·di·on·ist -dē-ə-nist noun

II. adjective

Date: 1884

: folding or creased or hinged to fold like an accordion

an accordion pleat

an accordion door

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.