Columbus Day: Meaning and Definition of

Colum'bus Day"

Pronunciation: [key]
  1. a day, October 12, observed as a holiday in various states of the U.S. in honor of the discovery of the New World by Columbus and his landing in the West Indies on October 12, 1492: observed in some states as the second Monday in October.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.