Definition of "warhorse" []

• A horse used in combat; a charger. (noun)
• Informal One who has been through many battles, struggles, or fights. (noun)
• Informal A musical or dramatic work that has been performed so often that it has become widely familiar. (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.

• "She might take exception to it because a Georgia warhorse is a big grasshopper."
• "And then, of course, if you're wearing pads, you can always tell the readers that their cherished warhorse is kind of lousy."
• "Another warhorse is John Ciardi’s How Does a Poem Mean?, first published in 1959 and widely used in high schools and colleges in its day."