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English definition of “first-aider”

first-aider

noun [C]     /ˌfɜːstˈeɪ.dər/ US  /ˌfɝːstˈeɪ.dɚ/ UK
someone who is trained to give first aid : How many first-aiders are there in your office ?Describing medical treatment generally
(Definition of first-aider noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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