polygamia
/pɒlɪˈɡæmiə/Definitions
1. noun
The state or practice of having more than one spouse at a time, especially in a society where such practice is accepted or condoned.
“In some African cultures, polygamia is a common and accepted practice.”
2. noun
A marriage or relationship involving more than one spouse.
“The polygamia of the ancient Egyptians was a subject of great interest among historians.”
3. noun
The social system in which polygamy is practiced.
“In some regions, polygamia is the norm, and families often consist of multiple wives and their children.”