Maг®tresse

: In France, it is the standard term used by elementary and kindergarten students to address their female teacher.

The French word is primarily a feminine noun , not an article . It is the feminine counterpart to maître ("master") and carries several meanings depending on the context: Primary Meanings MaГ®tresse

While mostly a noun, maîtresse can function as an meaning "main," "central," or "principal" in specific idiomatic expressions: What does maîtresse mean in French? - WordHippo : In France, it is the standard term

: It refers to a woman in a romantic relationship with a man who is often already committed or married. : In France