society > society and the community > kinship or relationship > [adjective] > on mother's side (5)
That is a mother; (also) maternal, related on the mother's side.
Related by blood through the mother. rare.
Related through the mother or on the mother's side.
Anatomy. Connected on the female side.
Of, relating to, or designating a relationship (esp. a marriage between cousins) in which a mother and one of her siblings or other relatives are…