/ Dictionary / Index C common-law marriage: Meaning and Definition of Find definitions for: com'mon-law mar'riage Pronunciation: [key] a marriage without a civil or ecclesiastical ceremony, generally resulting from an agreement to marry followed by the couple's living together as husband and wife. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. common law common logarithm Related Content Daily Word Quiz: alacrity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language