Dictionary

polygamy

noun po·lyg·a·my \-mē\

: the state or practice of being married to more than one person at the same time

Full Definition of POLYGAMY

: marriage in which a spouse of either sex may have more than one mate at the same time — compare polyandry, polygyny

: the state of being polygamous

— po·lyg·a·mist \-mist\ noun

— po·lyg·a·mize \-ˌmīz\ intransitive verb

See polygamy defined for English-language learners

circa 1591

Medical Dictionary

noun po·lyg·a·my \-mē\

plural po·lyg·a·mies

: marriage in which a spouse of either sex may have more than one mate at the same time—compare polyandry, polygyny

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