/ Dictionary / Index C colby: Meaning and Definition of Find definitions for: col•by Pronunciation: (kōl'bē), [key] — n. a mild, cheddar-type cheese that is softer and more open in texture than standard cheddar. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Colbert colcannon Related Content Daily Word Quiz: reiterate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language