Monogamy
Bouvier's Law Dictionary and Concise Encyclopedia · John Bouvier; revised by Francis Rawle · 1914
Bouvier's Law Dictionary and Concise Encyclopedia
The state of having only one husband or one wife at a time. A marriage contracted between one man and one woman, in exclusion of all the rest of mankind. The term is used in opposition to bigamy and polygamy.
Wolff, Dr. de la Nat. § 857.