'matriarchal' definitions:

Definition of 'matriarchal'

From: WordNet
adjective
Characteristic of a matriarchy [ant: patriarchal]

Definition of 'matriarchal'

From: GCIDE
  • matriarchal \ma`tri*ar"chal\, a. Of or pertaining to a matriarch; governed by a matriarch or matriarchs; as, a matriarchal society. [1913 Webster +PJC]