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a means of escape in an emergency, esp from a submarine
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|Noun||1.||escape hatch - hatchway that provides a means of escape in an emergency|
aeroplane, airplane, plane - an aircraft that has a fixed wing and is powered by propellers or jets; "the flight was delayed due to trouble with the airplane"
hatchway, scuttle, opening - an entrance equipped with a hatch; especially a passageway between decks of a ship