polygamy
/pəˈlɪgəmi/
noun
Britannica Dictionary definition of POLYGAMY
[noncount]
:
the state or practice of being married to more than one person at the same time
—
compare monogamy
— polygamist
/pəˈlɪgəmɪst/
noun,
plural
polygamists
[count]
— polygamous
/pəˈlɪgəməs/
adjective