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English definition of “lifeboat”

lifeboat

noun [C]     /ˈlaɪf.bəʊt/ US  /-boʊt/
a large boat that is kept ready to go out to sea and save people who are in danger Boats and sailing craftPassenger, cargo and military ships a small boat kept on a ship for people to leave in if the ship is not safe or might sink
(Definition of lifeboat noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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