(colloquial) A grandmother.

(colloquial, derogatory) An elderly woman.

(knots) A granny knot.

(farming, colloquial) An older ewe that may lure a lamb away from its mother.

(Australia, colloquial) A grand final.

(informal, intransitive) To be a grandmother. (Can we add an example for this sense?)

(informal, intransitive) To act like a stereotypical grandmother; to fuss.

(informal) typically or stereotypically old-fashioned, especially in clothing and accessories worn by or associated with elderly women.