(n.) The having of a plurality of wives or husbands at the same time; usually, the marriage of a man to more than one woman, or the practice of having several wives, at the same time; -- opposed to monogamy; as, the nations of the East practiced polygamy. See the Note under Bigamy, and cf. Polyandry.
POLYGAMY
Meaning of POLYGAMY in English
Webster's English dictionary. Английский словарь Webster. 2012