1. a female schoolteacher, especially in a rural or small-town school
Usage: dated; sometimes considered old-fashioned
2. a person who is overly strict, prim, or pedantic in manner
Usage: informal; often derogatory

Examples

• The old schoolmarm taught three grades in the one-room schoolhouse.
• Miss Johnson was the town’s beloved schoolmarm for thirty years.
• He acted like a schoolmarm, correcting everyone’s grammar.
• The strict schoolmarm demanded perfect penmanship from her students.
• Don’t be such a schoolmarm about the rules.
• The frontier schoolmarm lived in a small room behind the classroom.