Definition of "tricorn" [tricorn]

• A hat having the brim turned up on three sides. (noun)
• Having three corners, horns, or projections. (adjective)

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.

• "The rally intends to call “the GOP back to its roots,” if by “roots,” you mean lots of people in tricorn hats, whose idea of a good time is batting around their favorite economists from the Austrian School."
• "The woman sitting next to Miss Temple, who had preceded her into the coach, wore a kind of tricorn hat rakishly pinned to her hair, and a thin band of cloth tied over her eyes, quite like a pirate."
• "Your typical pirate hat is called a "tricorn" or 3-cornered hat."