Used in astronautics, 'undock' relates to space missions and operations in orbit or space travel. The astronauts prepared to undock the module for the spacewalk.
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Maritime Maneuver
In a marine context, 'undock' involves ships leaving a dock or port to head out to sea. The cargo ship will undock at high tide.
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Precise Timing
'Undock' suggests carefully planned actions, often at specific times, especially in spaceflight. Mission control confirmed the schedule to undock the shuttle at 21:00 hours.