Definition of "trainer" in English

noun

1. A person who trains another; a coach.

2. (sports) A person responsible for treating injuries sustained by players during matches; a physiotherapist.

3. (UK, Ireland) A running shoe or sneaker.

4. (video games, slang) A patch for a video game that applies cheats.

5. (cycling) A piece of indoor equipment allowing a bicycle to be ridden while stationary.

6. (horticulture) A device for encouraging the roots of a plant to grow in a certain direction.

   • a root trainer

7. Attributive form of trainers.

   • There was chewing gum stuck to my trainer soles.