mat·ri·lo·cal 
(măt′rə-lōkəl)
(măt′rə-lōkəl)adj.
1. Anthropology Of or relating to residence with a wife's kin group or clan.
2. Zoology Of or relating to the tendency of males to leave their natal group and reside in or mate with females of a different group: groups of monkeys that are matrilocal.
matri·lo·cali·ty (-kălĭ-tē) n.
mat′ri·local·ly adv.