[ trey-ner ]
See synonyms for trainer on
  1. a person or thing that trains.

  2. a staff member on an athletic team who gives first aid and therapy to injured players.

  1. a person who trains athletes; coach.

  2. a person who trains racehorses or other animals for contests, shows, or performances.

  3. an airplane or a simulated aircraft used in training aircrew members, especially pilots.

Origin of trainer

First recorded in 1590–1600; train + -er1

Words Nearby trainer Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use trainer in a sentence

British Dictionary definitions for trainer


/ (ˈtreɪnə) /

  1. a person who trains athletes in a sport

  2. a piece of equipment employed in training, such as a simulated aircraft cockpit

  1. horse racing a person who schools racehorses and prepares them for racing

  2. (plural) an informal name for training shoes

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012