po·lyg·a·my 
/pəˈlɪgəmi/ noun
/pəˈlɪgəmi/ noun [noncount] : the state or practice of being married to more than one person at the same time
▪ Some cultures practice polygamy. — compare monogamy
▪ Some cultures practice polygamy. — compare monogamy
— po·lyg·a·mist /pəˈlɪgəmɪst/ noun, plural po·lyg·a·mists [count]
▪ He/She is a polygamist.
/pəˈlɪgəmɪst/ noun, plural po·lyg·a·mists [count] ▪ He/She is a polygamist.
— po·lyg·a·mous /pəˈlɪgəməs/ adjective
▪ a polygamous marriage
/pəˈlɪgəməs/ adjective ▪ a polygamous marriage
