old girl
noun- old girl(British English) a woman who used to be a student at a particular school, usually a private one/ˈəʊld ɡɜːl//ˈəʊld ɡɜːrl/
- There’s going to be an old girls’ reunion next month.
- old girl(informal, especially British English) an old woman/ˌəʊld ˈɡɜːl//ˌəʊld ˈɡɜːrl/
- The old girl next door has died.