Matriarchy
WordNet
noun
(1) A form of social organization in which a female is the family head and title is traced through the female line
WiktionaryText
Etymology
Coined after patriarchy, from μήτηρ (mother) and ἄρχω (I rule)
Noun
- A social system in which the mother is head of household, having authority over men and children.
- A system of government by females.