/ Dictionary / Index C common carrier: Meaning and Definition of Find definitions for: com'mon car'rier Pronunciation: [key] (in federal regulatory and other legal usage) a carrier offering its services at published rates to all persons for interstate transportation. a public service or public utility company, as a telephone or telegraph company, engaged in the transmitting of messages for the public. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. common carotid artery common cold 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