1. a woman who is in charge of a post office

Examples

• The postmistress sorted the mail every morning before opening the office.
• Mrs. Johnson had been the town’s postmistress for over twenty years.
• The postmistress knew everyone in the small village by name.
• She applied for the position of postmistress when the previous one retired.
• The postmistress handed me the package that had been waiting for pickup.
• Our postmistress always remembers to hold mail when we go on vacation.