'Polygamy' definitions:

Definition of 'polygamy'

From: WordNet
noun
Having more than one spouse at a time

Definition of 'Polygamy'

From: GCIDE
  • Polygamy \Po*lyg"a*my\, n. [Gr. ?; cf. F. polygamie.]
  • 1. 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. [1913 Webster]
  • 2. (Zool.) The state or habit of having more than one mate. [1913 Webster]
  • 3. (Bot.) The condition or state of a plant which bears both perfect and unisexual flowers. [1913 Webster]

Synonyms of 'polygamy'

From: Moby Thesaurus