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English definition of “polygamy”

polygamy

noun [U] uk   /pəˈlɪɡ.ə.mi/ us  
the fact or custom of being married to more than one person at the same timeMarriage, cohabitation and other relationships
polygamist
noun [C] uk   /-mɪst/ us  
Marriage, cohabitation and other relationships
polygamous
adjective uk   /-məs/ us  
a polygamous societyMarriage, cohabitation and other relationships
(Definition of polygamy from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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