schoolmarm

A woman teacher, especially one who is regarded as strict or old-fashioned.

A bad spelling of schoolma’am.

A woman who is a teacher, especially a teacher in a schoolhouse; may carry the connotation she is severe.

A person, male or female, who exhibits characteristics attributed to schoolteachers of the old times (as strict adherence to arbitrary rules, is strict on those who don’t comply to those rules, etc.)

A tree with two or more trunks; a forked tree.

a woman schoolteacher (especially one regarded as strict)