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.
The state or habit of having more than one mate.
The condition or state of a plant which bears both perfect and unisexual flowers.
No Congress ever has seen fit to amend the Constitution to address any issue related to marriage. No Constitutional Amendment was needed to ban polygamy or bigamy, nor was a Constitutional Amendment needed to set a uniform age of majority to ban child marriages. Judy Biggert
The state's interest in marriage is stability. Generally speaking, polygamy does not work for stability. Inherent in the whole polygamous movement is a deep and abiding misogyny and denigration of women. So polygamy is objectionable on lots of grounds. Gene Robinson
The government doesn't really prosecute for polygamy anymore, but a lot of the arrests are of groups supporting themselves through welfare scams or for child abuse. So that was all I'd really heard about polygamists. Jeanne Tripplehorn