[{"Bold_text": "noun", "List Items": ["extortion, as by blackmail or threats of violence.", "a thorough search:a shakedown of prison cells to uncover hidden drugs.", "a bed, as of straw or blankets, spread on the floor.", "any makeshift bed.", "the act or process of shaking down.", "Also calledshake?down cruise?,.a cruise or flight intended to prepare a new vessel or aircraft for regular service by accustoming the crew to its features and peculiarities, breaking in and adjusting machinery, etc."]}]