Postmistress (noun)

A woman who is the head of a post office.

Origin:

Postmaster + -ess.

Examples:

1. The new postmistress was well-organized and efficient.
2. The small town postmistress knew all of her regular customers by name.
3. The postmistress was in charge of sorting and distributing the mail.
4. The postmistress was responsible for the financial matters of the post office.
5. The postmistress was a respected member of the community.