/ Dictionary / Index C common cold: Meaning and Definition of Find definitions for: com'mon cold' Pronunciation: [key] cold (def. 24). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. common carrier common cost Related Content Daily Word Quiz: laudable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language