shakedown (also shake-down) /ˈʃeɪkdaʊn/ noun
› [C] US an act of getting money from someone by using force or a trick: They were accused of a series of bribes and shakedowns relating to a business deal in Africa. › [C] PRODUCTION the act of testing a new piece of equipment, especially a vehicle: They take all the cars on a long run to give them a shakedown. a shakedown test/trial › [C or U] a period during which people become familiar with a new system or situation: There is usually a period of shakedown with new technology. › [C] STOCK MARKET a period during which prices are going down on a financial market: They are predicting a shakedown at the upper end of the market.