"Old women" is the plural of "old woman," referring to adult female people of advanced age. The term is neutral in many cases, but can sound blunt or impolite in some contexts. Consider alternatives like "older women".
To a philosopher all news, as it is called, is gossip, and they who edit and read it are old women over their tea. Henry David Thoreau
I have a total irreverence for anything connected with society except that which makes the roads safer, the beer stronger, the food cheaper and the old men and old women warmer in the winter and happier in the summer. Brendan Behan
Hopes are like hair ornaments. Girls want to wear too many of them. When they become old women they look silly wearing even one. Arthur Golden
We old women see through walls. Federico García Lorca
This is what I miss, Cordelia: not something that's gone, but something that will never happen. Two old women giggling over their tea. Margaret Atwood
When lazy horses begin to start, old women to dance, and white clouds to rain, there is no stopping them. Danish Proverb