(n.) A grandmother; a grandam; familiarly, an old woman.

Methuselah antediluvian antique back number beldam conservative crone dad dame dodo dowager elder fogy fossil frump fud fuddy-duddy fuss fuss-budget fusser fusspot gammer grandam grandma grandmother grannam great-grandmother hag has-been longhair matriarch mid-Victorian mossback old battle-ax old believer old crock old dame old dodo old fogy old girl old granny old lady old liner old maid old man old poop old trot old wife old woman old-timer patriarch pop pops reactionary regular old fogy relic square starets traditionalist trot war-horse witch