trainer

noun

train·​er ˈtrā-nər 

1

: a person who trains someone or something: such as

a

: one whose occupation is to guide or instruct people in fitness and exercise routines

a personal trainer

When we run the track, Stan Ward, a boxing and conditioning trainer, times us.

—Bridgett Riley

b

: one who oversees the training of animals

a dog/horse trainer

A trainer uses the clicker to create an auditory cue that marks a particular behavior and then rewards the dog with a treat.

—C. C. Holland

2

: a person who treats the ailments and minor injuries of the members of an athletic team

… he landed so hard that the wind was knocked out of him. He lay writhing on the ground as Herm Schneider, the team trainer, rushed to his side.

—William Nack

3

: something (such as a machine or vehicle) used in training see also elliptical trainer

4

chiefly British : sneaker sense 2

They wore trainers, scuffed and old, with the laces loose and the tongues protruding in defiance at the ankle.

—M. J. Trow

Synonyms

• coach

Examples of trainer in a Sentence

the boxer and his trainer

She hired a personal trainer.

Recent Examples on the Web

That’s like hiring a trainer and skipping workouts. —Expert Panel®, Forbes, 6 Dec. 2024

And two of the other main actors had actually died, one during the shooting, Oliver Reed [who played the gruff gladiator trainer]. —Mia Galuppo, The Hollywood Reporter, 5 Dec. 2024

This could set a precedent for the future of contracts, where more players will look to get their personal staff and trainers paid while they're getting paid. —Mark R. Weaver, Newsweek, 4 Dec. 2024

The actor and fitness trainer is set to appear on season 3 of the popular Peacock series The Traitors, which will premiere next month. —Rachel Desantis, People.com, 2 Dec. 2024

Word History

First Known Use

1543, in the meaning defined at sense 1

Phrases Containing trainer

• athletic trainer
• cross-trainer
• elliptical trainer

Kids Definition

trainer

noun

train·​er ˈtrān-ər 

1

: one that trains

2

: a person who treats the minor ailments and injuries of the members of an athletic team