train·​er ˈtrā-nər How to pronounce trainer (audio)
: a person who trains someone or something: such as
: 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
: 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
: 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
: something (such as a machine or vehicle) used in training see also elliptical trainer
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

Examples of trainer in a Sentence

the boxer and his trainer She hired a personal trainer.
Recent Examples on the Web On Saturday, June 1, the reality star, 39, shared an inspirational video of herself working out with personal trainer Don Brooks (a.k.a. Bailey Richards, Peoplemag, 2 June 2024 Forty-five years of turning a clueless neophyte into an elite master trainer will do that, too. Jim Lindgren, San Diego Union-Tribune, 1 June 2024 Fitness classes, exercise equipment, four pools, and a personal trainer are available. Patricia Doherty, Travel + Leisure, 25 May 2024 But rather than attend the first week of OTA practices, which run Tuesday through Thursday at the team’s headquarters at the Star in Frisco, Parsons is doing boxing workouts with his own private trainer. Clarence E. Hill Jr., Fort Worth Star-Telegram, 21 May 2024 See all Example Sentences for trainer 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'trainer.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1543, in the meaning defined at sense 1

Time Traveler
The first known use of trainer was in 1543

Dictionary Entries Near trainer

Cite this Entry

“Trainer.” Dictionary, Merriam-Webster, Accessed 13 Jun. 2024.

Kids Definition


train·​er ˈtrān-ər How to pronounce trainer (audio)
: one that trains
: a person who treats the minor ailments and injuries of the members of an athletic team

More from Merriam-Webster on trainer

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