English translation of '母系'

形

1. (= 母亲方面) maternal
   ⇒ 他家母系亲属很多。 (Tā jiā mǔxì qīnshǔ hěn duō.) He has a lot of relatives on his mother's side.
2. (= 母女相承) matriarchal
   ⇒ 母系社会 (mǔxì shèhuì) matriarchal society