an arrangement in which several males live together with several females, forming a conjugal unit
group marriage in American English
noun
(esp. among primitive peoples)
a form of marriage in which a group of males is united with a group of females to form a single conjugal unit
Also called: communal marriage
Word origin
[1895–1900]This word is first recorded in the period 1895–1900. Other words that entered Englishat around the same time include: Marxism, apothecaries' measure, backstage, flamenco, neon