polygamy

The condition or practice of having more than one spouse at one time.

A mating pattern in which a single individual mates with more than one individual of the opposite sex.

Marriage with more than one spouse; the having of a plurality of wives or husbands at the same time.

In zoology, the practice or habit of having more than one mate of the opposite sex; polyandry or polygyny

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. 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.

The having of multiple socially bonded sexual partners at the same time

Commonly used specifically for polygyny, the marriage of a man to more than one wife, or the practice of having several wives, at the same time.

The state or habit of having more than one sexual mate.