trainer

A trainer is someone who teaches or coaches someone, like the trainer at the gym who promises that she'll have you ready to run a marathon in four months.

Some trainers can teach you how to do sit ups, while others can instruct you to program a computer or be an effective leader. Dog trainers teach dogs to follow commands — and they teach dog owners to give commands effectively. The noun trainer comes from the verb train, "to discipline or teach," from an earlier sense, "to manipulate to bring a desired form," the way a gardener trains a rose to grow up a trellis.

Definitions of trainer
  1. noun
    one who trains other persons or animals
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    types:
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    coach, handler, manager
    (sports) someone in charge of training an athlete or a team
    animal trainer, handler
    one who trains or exhibits animals
    baseball coach, baseball manager
    a coach of baseball players
    basketball coach
    a coach of basketball players
    conditioner
    a trainer of athletes
    football coach
    a coach of football players
    hockey coach
    a coach of hockey players
    tamer
    an animal trainer who tames wild animals
    tennis coach
    a coach of tennis players
    type of:
    leader
    a person who rules or guides or inspires others
  2. noun
    simulator consisting of a machine on the ground that simulates the conditions of flying a plane
    synonyms: flight simulator
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    types:
    Link trainer
    an early form of flight simulator
    type of:
    simulator
    a machine that simulates an environment for the purpose of training or research
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