This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

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

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

n. 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.)

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

n. A bad spelling of schoolma'am.

n. a woman schoolteacher (especially one regarded as strict)

"She piles her hair up in a librarian's bun and wears what she calls "schoolmarm" glasses (one blogger compared her to "Tina Fey's sexier sister")."

school-teacher   

hubcap    lion-hunter    govenor    swagman    jocundity    meat-filled    hitchhiker    speedboat    gunfighter    hot-dog