Definition of polygynously in English:

polygynously

Pronunciation /pəˈlɪdʒɪnəsli/ /pɒˈlɪdʒɪnəsli/

adverb

  • 1Anthropology
    With more than one wife; in a polygynous context.

  • 2Zoology
    In a manner characterized by polygyny; with each male mating with several females.

Origin

1930s. From polygynous + -ly.