matriarch

n.	1.	The mother and ruler of a family or of her descendants; a ruler by maternal right.
	2.	A woman who dominates or is the most important member of a group or organization; in businesses, often the founder or owner of the largest interest.
	3.	A venerated old woman.

Noun	1.	matriarch - a female head of a family or tribe Synonyms: materfamilias
	2.	matriarch - a feisty older woman with a big bosom (as drawn in cartoons)

Methuselah, abbess, antediluvian, antique, back number, chatelaine, conservative, dad, dam, dame, dodo, dowager, elder, first lady, fogy, fossil, foster mother, fud, fuddy-duddy, genetrix, goodwife, governess, grande dame, granny, great lady, has-been, homemaker, housewife, longhair, ma, madam, mam, mama, mammy, mater, materfamilias, maternal ancestor, matron, mid-Victorian, mistress, mom, mommy, mossback, mother, mother superior, mummy, old believer, old crock, old dodo, old fogy, old liner, old man, old poop, old woman, old-timer, patriarch, pop, pops, reactionary, regular old fogy, relic, square, starets, stepmother, the old woman, traditionalist