Polygamous

Webster's Dictionary of the English Language

·adj Pairing with more than one female.

II. Polygamous ·adj Belonging to the Polygamia; bearing both hermaphrodite and unisexual flowers on the same plant.

III. Polygamous ·adj Of or pertaining to polygamy; characterized by, or involving, polygamy; having a plurality of wives; as, polygamous marriages;

— opposed to monogamous.