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. TrowExamples of trainer in a Sentence
the boxer and his trainer
She hired a personal trainer.
Recent Examples on the Web
The jockey is Saffie Osborne, the 23-year-old daughter of the trainer.
—Tyler Everett, MSNBC Newsweek, 17 May 2025
The clergyman certainly wasn’t turning up for a session dressed in his cardinal cassock, the trainer explained.
—Caitlin Danaher, CNN Money, 17 May 2025
Winning trainer: Michael V. Pino. Race 5 $52,600 purse; 3-year-olds; dirt; 6 furlongs
Post, Horse, Jockey, Win, Place, Show
1, Cadeau d’Argent, Tyler Conner, $137.40, $21, $10
7, Privman, Flavien Prat, $2.10, $2.10
2, Firmantown, Angel Cruz, $4.80
Off at: 1:37.
—Baltimore Sun Staff, Baltimore Sun, 16 May 2025
Sports Why is the Preakness more fun for trainers than the Kentucky Derby?
—John Cherwa, Los Angeles Times, 16 May 2025
See All Example Sentences for trainer
Examples are automatically compiled from online sources to
show current usage.
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Tyler Everett, MSNBC Newsweek, 17 May 2025
The clergyman certainly wasn’t turning up for a session dressed in his cardinal cassock, the trainer explained.
—Caitlin Danaher, CNN Money, 17 May 2025
Winning trainer: Michael V. Pino. Race 5 $52,600 purse; 3-year-olds; dirt; 6 furlongs
Post, Horse, Jockey, Win, Place, Show
1, Cadeau d’Argent, Tyler Conner, $137.40, $21, $10
7, Privman, Flavien Prat, $2.10, $2.10
2, Firmantown, Angel Cruz, $4.80
Off at: 1:37.
—Baltimore Sun Staff, Baltimore Sun, 16 May 2025
Sports Why is the Preakness more fun for trainers than the Kentucky Derby?
—John Cherwa, Los Angeles Times, 16 May 2025
See All Example Sentences for trainer
Cite this Entry
“Trainer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trainer. Accessed 23 May. 2025.
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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