Dictionary

trainer

noun train·er \ˈtrā-nər\

: a person who teaches or coaches athletes or animals : a person who trains athletes or animals

: a person who treats the injuries of the members of a sports team

Full Definition of TRAINER

1
:  one that trains
2
:  one (as a machine or vehicle) used in training
3
:  a person who treats the ailments and minor injuries of the members of an athletic team
4
chiefly British :  sneaker 2
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Examples of TRAINER

  1. the boxer and his trainer
  2. She hired a personal trainer.

First Known Use of TRAINER

1598

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