trainer

/ˈtreɪnər/
noun
  1. A person who teaches or coaches a skill, sport, or job.
    • The personal trainer helped me improve my running form.
    • Our company hired a professional trainer to teach the new software.
    • The soccer trainer gave the team a pep talk before the big game.
  2. A type of comfortable shoe worn for sports or casual wear (also called a sneaker or athletic shoe).
    • These trainers have great cushioning for long walks.
    • She wore white trainers with her jeans and a T-shirt.
    • I need to buy new trainers for my morning jog.
  3. An animal that is trained, especially a horse that is being prepared for racing.
    • The stable has several trainers ready for the upcoming race.
    • The young trainer showed great speed during practice.
    • The horse trainer was fed a special diet to build strength.
  4. A device or program used to teach or practice a skill.
    • He used a voice trainer app to improve his singing.
    • The flight simulator is an excellent trainer for new pilots.
    • The memory trainer game helped her focus better.