Definition of polygamy noun from the Oxford Advanced Learner's Dictionary



BrE BrE//pəˈlɪɡəmi//
; NAmE NAmE//pəˈlɪɡəmi//
[uncountable] (specialist)
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the custom of having more than one wife at the same time compare polyandry Word Origin late 16th cent.: from French polygamie, via late Latin from Greek polugamia, from polugamos ‘often marrying’.
See the Oxford Advanced American Dictionary entry: polygamy