matriarchate

/ˈmeɪtriˌɑrkeɪt/
noun
  1. A social system or community ruled by a woman or women, especially mothers; a matriarchy.
    • The ancient society was a matriarchate where women held all political power.
    • Some historians argue that certain prehistoric cultures were matriarchates.
    • The novel imagines a future matriarchate on a distant planet.
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