materfamilias(n = noun.person) matriarch - a female head of a family or tribe;
is a kind of head of household, adult female, woman

materfamilias, n. the woman head of a family or household (cf. PATERFAMILIAS).

Etymology:
L f. mater mother + familia FAMILY

N  paternity, parentage, consanguinity, parent, father, sire, dad, papa, paterfamilias, abba, genitor, progenitor, procreator, ancestor, grandsire, grandfather, great- grandfather, fathership, fatherhood, mabap, house, stem, trunk, tree, stock, stirps, pedigree, lineage, line, family, tribe, sept, race, clan, genealogy, descent, extraction, birth, ancestry, forefathers, forbears, patriarchs, motherhood, maternity, mother, dam, mamma, materfamilias, grandmother, paternal, parental, maternal, family, ancestral, linear, patriarchal, avi numerantur avorum, happy he with such a mother, hombre bueno no le busquen abolengo, philosophia stemma non inspicit.