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
Beckman stayed with the official as a team trainer came over to check on him.
—Paulina Dedaj, FOXNews.com, 10 Apr. 2025
As a seasoned business strategist and corporate trainer, Gaines is leveraging team-building strategies to reshape healthcare culture, enhance communication, and improve patient experience.
—Molly Peck, USA Today, 9 Apr. 2025
That was the case on the afternoon of Oct. 22 when Canales got a call from former trainer Kevin King, who let the coach know Dalton had been in a two-car accident while taking his kids home from school.
—Joseph Person, New York Times, 7 Apr. 2025
Barry says the next generation will allow guests to interact with a virtual personal trainer, and the hotel is interested in adding them to its suites.
—Christopher Elliott, Forbes.com, 6 Apr. 2025
See All Example Sentences for trainer
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Paulina Dedaj, FOXNews.com, 10 Apr. 2025
As a seasoned business strategist and corporate trainer, Gaines is leveraging team-building strategies to reshape healthcare culture, enhance communication, and improve patient experience.
—Molly Peck, USA Today, 9 Apr. 2025
That was the case on the afternoon of Oct. 22 when Canales got a call from former trainer Kevin King, who let the coach know Dalton had been in a two-car accident while taking his kids home from school.
—Joseph Person, New York Times, 7 Apr. 2025
Barry says the next generation will allow guests to interact with a virtual personal trainer, and the hotel is interested in adding them to its suites.
—Christopher Elliott, Forbes.com, 6 Apr. 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 22 Apr. 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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