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
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
C. C. Holland2
: 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
William Nack3
: 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
M. J. Trow
Examples of trainer in a Sentence
the boxer and his trainer
She hired a personal trainer.
Recent Examples on the Web
The singer and personal trainer stayed together through the difficult unwinding of her long-running conservatorship, marrying in June 2022 and then announcing they were headed for divorce in August 2023.
—Gil Kaufman, Billboard, 9 July 2024
The former head of emergency medicine at SUNY Downstate Medical Center embezzled more than $1.44 million and spent it on travel, personal trainers and a luxe doggy day-care center, prosecutors allege.
—John Annese, New York Daily News, 9 July 2024
Her boyfriend Bradley Cooper wore a faded slogan T-shirt, cargo shorts and Salomon trainers.
—Daniel Rodgers, Vogue, 9 July 2024
Those with more resources are already in on the power of behavior change, with access to trainers, chefs, and life coaches.
—Sam Altman, TIME, 8 July 2024
See all Example Sentences for trainer 
Gil Kaufman, Billboard, 9 July 2024
The former head of emergency medicine at SUNY Downstate Medical Center embezzled more than $1.44 million and spent it on travel, personal trainers and a luxe doggy day-care center, prosecutors allege.
—John Annese, New York Daily News, 9 July 2024
Her boyfriend Bradley Cooper wore a faded slogan T-shirt, cargo shorts and Salomon trainers.
—Daniel Rodgers, Vogue, 9 July 2024
Those with more resources are already in on the power of behavior change, with access to trainers, chefs, and life coaches.
—Sam Altman, TIME, 8 July 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.
Dictionary Entries Near trainer
Cite this Entry
“Trainer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trainer. Accessed 15 Jul. 2024.
Copy CitationKids 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
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