D defs.my
Entry 1 sense Webster, 1913

Polygyny

/pəl-ĭj'-ən-ē/ · Po·lyg·y·ny · IPA /pəˈlɪd͡ʒ.ɪ.ni/
01 n. The state or practice of having several wives at the same time; marriage to several wives.
  1. 1.
    The state or practice of having several wives at the same time; marriage to several wives.