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English definition of “trainer”

trainer

noun [C]     /ˈtreɪnər/
PERSON B1 someone who trains people: a fitness trainerOccupations and tradesTeachersTeaching in general
ANIMALS B1 a person who trains animals: a racehorse trainerOccupations and trades
SHOE UK (US sneaker) A2 a soft sports shoe: a pair of trainers Shoes and shoemaking
(Definition of trainer noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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