polygamy

n. [ Gr. &unr_;; 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 ]