(informal) A grandmother.
An old woman.
(informal) A fussy person.
Any fussy, exacting person.
(south) A midwife.
Granny is defined as a term for a grandmother, or the mother of your mother or father.
Your father's mother is an example of your granny.
Of a style like that formerly worn by many elderly women [granny nightgown]; specif., designating eyeglasses (granny glasses) with small, often oval, lenses and thin, wirelike metal frames.
Origin of granny
- Short for grandmother or grandam
From American Heritage Dictionary of the English Language, 5th Edition