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
Paul Mescal bared it all in front of his physical trainer for Gladiator II.
—Raven Brunner, People.com, 21 Nov. 2024
Vega, who performed at a Phoenix strip club and had plans to become a personal trainer, had been beaten, shot and burned, according to her autopsy.
—Tim Stelloh, NBC News, 19 Nov. 2024
The Best Sneakers for Every Type of Runner, According to Experts
Sturdy trainers, rugged trail shoes, and more.
—Suzy Forman, SELF, 6 Nov. 2024
Eastwood directs with a confidence that the emotions of the piece — adapted from stories written by a boxing trainer who wrote under the name F.X. Toole — will be enough to compel viewers to stay with the film even as the possibility of a happy ending drifts out of view.
—Keith Phipps, Vulture, 1 Nov. 2024
See all Example Sentences for trainer 
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Raven Brunner, People.com, 21 Nov. 2024
Vega, who performed at a Phoenix strip club and had plans to become a personal trainer, had been beaten, shot and burned, according to her autopsy.
—Tim Stelloh, NBC News, 19 Nov. 2024
The Best Sneakers for Every Type of Runner, According to Experts
Sturdy trainers, rugged trail shoes, and more.
—Suzy Forman, SELF, 6 Nov. 2024
Eastwood directs with a confidence that the emotions of the piece — adapted from stories written by a boxing trainer who wrote under the name F.X. Toole — will be enough to compel viewers to stay with the film even as the possibility of a happy ending drifts out of view.
—Keith Phipps, Vulture, 1 Nov. 2024
See all Example Sentences for trainer
Dictionary Entries Near trainer
Cite this Entry
“Trainer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trainer. Accessed 1 Dec. 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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