›[C]USan 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]PRODUCTIONthe 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 MARKETa period during which prices are going down on a financial market: They are predicting a shakedown at the upper end of the market.