hair shirt 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.
a shirt of haircloth, worn over the skin as a penance
hair shirt definition by American Heritage Dictionary
nounThe 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 coarse haircloth garment worn next to the skin by religious ascetics as penance.
hair shirt - Phrases/Idioms
A self-imposed punishment or penance, as in I apologized a dozen times—do you want me to wear a hair shirt forever? This term, mentioned from the 13th century on, alludes to wearing a coarse, scratchy hair shirt, the practice of religious ascetics. Its figurative use dates from the mid-1800s.