/ Dictionary / Index C Columbus Air Force Base: Meaning and Definition of Find definitions for: Colum'bus Air' Force" Base" Pronunciation: [key] U.S. Air Force installation in NE Mississippi, NW of Columbus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Columbus Columbus Day Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language