Schoolmarm (noun)

1. A female teacher, especially one who is strict and unapproachable.
2. A female teacher in a rural school.

Origin:

The word 'schoolmarm' is an american english term originating in the late 19th century. it is derived from 'school' and 'marm', a dialectal variant of 'ma'am', a term of address for a woman. the term 'schoolmarm' originally referred to a female teacher, particularly one in a rural school, who was strict and often considered unapproachable.

Examples:

1. My fourth-grade teacher was known as the schoolmarm because she was very strict.
2. The new schoolmarm was not well-liked by the students because of her rigid ways.
3. In the small town, the schoolmarm was considered the authority on everything.
4. The schoolmarm was feared by all the students for her ability to maintain discipline in the classroom.
5. The schoolmarm's reputation preceded her and many parents were intimidated by her strict demeanor.