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
Jewelery Designer Bella Salerno (age 23) – Content Creator
Paul Versace (age 31) – Successful Stylist
But that’s not all—Season 1 also features personal trainer Kayla Krug and car sales agent Harley Christie.
—Monica Mercuri, StyleCaster, 21 Oct. 2024
One man, a personal trainer, claims he was drugged on the night the Bad Boy Entertainment founder was honored with the Lifetime Achievement Award at the BET Awards in June 2022.
—Nancy Dillon, Rolling Stone, 20 Oct. 2024
Beckner is the longtime trainer of Damian Lillard, who is widely considered a top-five long-range shooter the game has ever seen, and has already drilled the most 30-foot bombs of any player in history.
—Shane Young, Forbes, 17 Oct. 2024
In its 2009 show, a personal trainer is seen critiquing the bodies of girls aspiring to become Victoria’s Secret catwalk models.
—Tara John, CNN, 16 Oct. 2024
See all Example Sentences for trainer 
Monica Mercuri, StyleCaster, 21 Oct. 2024
One man, a personal trainer, claims he was drugged on the night the Bad Boy Entertainment founder was honored with the Lifetime Achievement Award at the BET Awards in June 2022.
—Nancy Dillon, Rolling Stone, 20 Oct. 2024
Beckner is the longtime trainer of Damian Lillard, who is widely considered a top-five long-range shooter the game has ever seen, and has already drilled the most 30-foot bombs of any player in history.
—Shane Young, Forbes, 17 Oct. 2024
In its 2009 show, a personal trainer is seen critiquing the bodies of girls aspiring to become Victoria’s Secret catwalk models.
—Tara John, CNN, 16 Oct. 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 4 Nov. 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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