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English definition of “life-saver”

life-saver

noun [C] (WATER)    /ˈlaɪfˌseɪ.vər/ US  /-vɚ/ Australian English
a person on a beach or at a swimming pool whose job is to make certain that the swimmers are safe and save them if they are in dangerPreserving and savingDefending and protectingEmergency services in general → Compare lifeguard
(Definition of life-saver noun (WATER) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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