Meaning ofmistressin English

Noun

1. a woman in an extramarital relationship
2. a woman with authority or control; ownership
3. a skilled woman; master of a subject
   The artist was a mistress of watercolor painting.
4. a woman loved and cherished; a romantic partner
   He considered his girlfriend to be his mistress, the love of his life.
5. a female teacher or educator
   The school hired a new mistress to teach mathematics.