shakedown
noun
(also shake-down) uk/ˈʃeɪkdaʊn/ us [ 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.