1. (n.) Marriage with but one person, husband or wife, at the same time; -- opposed to polygamy\. Also, one marriage only during life; -- opposed to deuterogamy.

2. (n.) State of being paired with a single mate.

beena marriage bigamy common-law marriage companionate marriage concubinage deuterogamy left-handed marriage levirate leviration love match marriage of convenience monandry monogyny morganatic marriage picture marriage polyandry polygamy polygyny trial marriage trigamy