shakedown Edit
Adjective
    intended to test a new system under operating conditions and to familiarize the operators with the system
eg: a shakedown cruise

shakedown Edit
Noun
    initial adjustments to improve the functioning or the efficiency and to bring to a more satisfactory state
eg: the new industry's economic shakedown

shakedown Edit
Noun
    a very thorough search of a person or a place
eg: a shakedown by the police uncovered the drugs

shakedown Edit
Noun
    extortion of money (as by blackmail)