charley horse definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Informal a cramp or soreness in a muscle, specif. of the thigh, caused by strain
Origin: ballplayers' slang, c. 1888; probably with reference to a lame racehorse
charley horse definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A cramp or stiffness in a muscle, especially of the upper leg, caused by injury or excessive exertion.
Origin: Originally baseball slang, of unknown origin.
charley horse - Medical Definition
The American Heritage® Medical Dictionary Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Localized pain or stiffness in a muscle following excessive muscular exertion or the contusion of a muscle.
charley horse - Phrases/Idioms
Cramp or stiffness in a muscle, most often in the thigh, as in After working in the garden I frequently get a bad charley horse. First used in the 1880s among baseball players, the term was soon extended to more general use. Its true origin is disputed. Among the more likely theories proposed is that it alludes to the name of either a horse or an afflicted ball player who limped like one of the elderly draft horses formerly employed to drag the infield.