matrilocal UK /ˌmæ.tɹɪˈləʊ.kəl/US /ˌmæ.tɹɪˈloʊ.kəl/ adjective2 •Living with the family of the wife; uxorilocal. •In which newly married couples live with the wife's family.In barring the way, he is enacting a ritual which demands that the new way of patrilocal marriage pay its respect to the more ancient way of matrilocal marriage. — 1981