Definition of "trainer" []

• One who trains, especially one who coaches athletes, racehorses, or show animals. (noun)
• A contrivance or apparatus used in training. (noun)
• A member of a naval gun crew who trains cannons horizontally. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In which I reveal my muffin-top, my inability to properly clean mirrors, and the fact that my personal trainer is a Siamese cat."
• "This generally occurs as the animal trainer is coercing a large and/or dangerous animal into doing something completely alien to its nature for the purpose of entertainment."
• "He said that if a certified athletic trainer is not available to a school, perhaps contact sports should be avoided."