polygynandryn.
/ˌpɒlɪdʒᵻˈnandri/, U.S. /ˈˌpɑlidʒᵻˈnændri/ Cultural Anthropology and Zoology.
A form of polygamy in which in two or more men share two or more wives; (Zoology) a pattern of mating in which two or more males mate with two or more females; the fact or state of being polygynandrous.
ΚΠ
1962 D. N. Majumdar Himalayan Polyandry 72 This form of marriage may, therefore better be known as ‘polygynandry’, and this union a polygynandrous family unit, instead of being known by the popularly used term ‘polyandrous’.
1978 M. Daly & M. Wilson Sex, Evol. & Behavior ix. 267 The Pahari are a north Indian people among whom wives are purchased at a substantial price. Brothers typically get together and buy one, then add another later, when they can afford her. The eventual result is group marriage, or polygynandry.
1984 Jrnl. Animal Ecol. 53 898 The enormous variety in mating combinations of the dunnock appear at first bewildering and complex... There was polyandry.., monogamy.., polygyny.., and polygynandry (two or three males sharing access to two, three or four females).
1998 Ecology 79 385/2 Uniform resource distribution was associated with monogamy, while polygyny and polygynandry..occurred with increasing resource patchiness.
This is a new entry (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1962