Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a stiff, stand-up collar having the top corners in front turned down: worn by men in formal dress
Used by arrangement with John Wiley & Sons, Inc.
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 shirt collar, used especially in men's formal clothing, in which the front edges are folded down in such a way as to resemble a pair of wings.