trainer

noun

train·​er ˈtrā-nər 

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

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

2

: 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

3

: 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

Synonyms

• coach

Examples of trainer in a Sentence

the boxer and his trainer

She hired a personal trainer.

Recent Examples on the Web

Shpak reached her conclusion after consulting multiple sources in the Russian marine mammal community, including trainers and veterinarians. —Andrew Paul, Popular Science, 13 Nov. 2024

Cindi Hodgman, 56, of Royal Oak, is a personal trainer and Pilates instructor, took a long sigh before answering who was her presidential pick. —Detroit Free Press Staff, Detroit Free Press, 6 Nov. 2024

Take the emergence of new roles like ethics officers, AI trainers and data scientists — these positions didn’t exist just a few years ago. —Justin Maier, Rolling Stone, 4 Nov. 2024

After originally denying a romantic relationship with her trainer, a love connection later blossomed between the pair, and in February 2024, a source confirmed to PEOPLE that Bündchen and Valente have been dating since June 2023. —Danielle Jennings, People.com, 4 Nov. 2024

Word History

First Known Use

1543, in the meaning defined at sense 1

Phrases Containing trainer

• athletic trainer
• cross-trainer
• elliptical trainer

Kids 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