Informal . a grandmother.

an elderly woman.

a fussy person.

Chiefly Midland and Southern U.S. a nurse or midwife.

granny knot.

of, pertaining to, or thought to be like a grandmother or an elderly or old-fashioned woman

granny notions about what's proper.

(of clothing for women or girls) being loose-fitted and having such features as high necklines, puff sleeves, long skirts, and ruffles and lace trimmings

a granny blouse; a granny nightgown.