trainer Definition in the Cambridge English Dictionary
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Definition of “trainer” - English Dictionary

Definition of "trainer" - American English Dictionary

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trainernoun

 us   /ˈtreɪ·nər/

trainer noun (SHOE)

trainer noun (PERSON)

[C] a ​person who ​teachesskills to ​people or ​animals to ​prepare them for a ​job, ​activity, or ​sport: They ​showedpictures of the ​winninghorse and ​its trainer.
(Definition of trainer from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "trainer" - British English Dictionary

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trainernoun

uk   /ˈtreɪ.nər/  us   /-nɚ/

trainer noun (PERSON)

B1 [C] a ​person who ​teachesskills to ​people or ​animals and ​prepares them for a ​job, ​activity, or ​sport: They ​showedpictures of the ​horse and ​its trainer (= the ​person who ​prepared it for ​itsraces). A lot of ​wealthypeople have ​their own personal trainer (= a ​person they ​employ to ​help them ​exercise).
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trainer noun (SHOE)

A2 [C usually plural] UK (UK also training shoe, US sneaker) a ​type of ​light, ​comfortableshoe that can be ​worn for ​sport
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(Definition of trainer from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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