A statue of Christopher Columbus in Chicago.Licensed from iStockPhoto
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a legal holiday in the U.S. commemorating the discovery of America by Columbus (Oct. 12, 1492), observed in most states on the second Monday in October
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.
October 12, observed in the United States in commemoration of the landing by Christopher Columbus in 1492 in America, which became known as “the New World” because Europeans did not know that it had existed. Columbus Day is now officially observed on the second Monday in October.