matriarchy

A social system in which the mother is head of the family.

A family, community, or society based on this system or governed by women.

The collection of women in positions of power, especially in such a social system or community.

Government by a mother or by mothers; specifically, an order of society, as in certain primitive tribes, in which the mother in certain important respects, especially in line of descent and inheritance, takes precedence of the father; descent or inheritance in the female line.

A social system in which the mother is head of household, having authority over men and children.

A system of government by females.

a form of social organization in which a female is the family head and title is traced through the female line