A female mentor or advisor; a female observer.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "monitress" in a sentence
"I thank Heaven, that hath taught me better thoughts than my own vanity suggested, through the medium of so kind a monitress."
"Here is a question I received in the Q& A box that I keep in the library: As a student at Motswasele I have found that if a teacher can choose you to be the leader like monitor/ monitress student they start rumours or being jealous talking about your self."
"She, my monitress, my guide, my counsel, gone, for ever gone! by whose advice and instructions I hoped to acquit myself tolerably in the state to which I could not avoid entering."