in irons
Prepositional phrase
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(nautical) The "trapped" condition a sailing ship finds itself in when the bow of the ship is headed into the wind and the ship has stalled and is unable to maneuver.
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The state of screw-powered ships which become stalled between crests of waves or swells during a typhoon, for instance, and the ship's rudder does not respond to the commands from the helm, leaving the ship at the mercy of the sea and in danger of capsizing.