SHAKEDOWN Meaning of SHAKEDOWN in English ■ noun informal, chiefly N. Amer.1》 a radical change or restructuring. 2》 a thorough search. 3》 a swindle. 4》 a test of a new product or model. 5》 a makeshift bed. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004