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
For all those reasons, ultimately, former trainer Augustine Agyei pitched an idea to Davis toward the end of his playing career: come work with his team at Landow Performance to mentor linebackers for NFL draft prep.
—Luca Evans, The Denver Post, 7 Mar. 2025
Higher ticket options include a chance to shadow dolphin trainers, or spend half a day with the dolphins and sea lions.
—Miami Herald Archives, Miami Herald, 7 Mar. 2025
Since the Kentucky Derby went to a qualifying points series in 2013, trainer Todd Pletcher has saddled the winner five times including in 2013 and 2023.
—Jay Ginsbach, Forbes, 6 Mar. 2025
In the film, Lynch played the poodle's trainer, while Coolidge played the poodle's owner, a spacey woman married to a wealthy man who ultimately falls for Lynch's character instead.
—Virginia Chamlee, People.com, 6 Mar. 2025
See All Example Sentences for trainer
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Luca Evans, The Denver Post, 7 Mar. 2025
Higher ticket options include a chance to shadow dolphin trainers, or spend half a day with the dolphins and sea lions.
—Miami Herald Archives, Miami Herald, 7 Mar. 2025
Since the Kentucky Derby went to a qualifying points series in 2013, trainer Todd Pletcher has saddled the winner five times including in 2013 and 2023.
—Jay Ginsbach, Forbes, 6 Mar. 2025
In the film, Lynch played the poodle's trainer, while Coolidge played the poodle's owner, a spacey woman married to a wealthy man who ultimately falls for Lynch's character instead.
—Virginia Chamlee, People.com, 6 Mar. 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 12 Mar. 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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