woman about town—(dated) a woman who socializes in fashionable circles:
- This was none of those affairs of a season that distract men and women about town. This was the real thing!
woman of the town—
1. a woman inhabitant or fellow inhabitant of a town:
- Grace’s tumble from upstanding woman of the town to a disheveled, confused outcast is interesting enough.
2. (dated) a woman with loose morals:
- Trollope came to lunch. Told me of his trouble with Harry wanting to marry a woman of the town.