Definition of "femme"
femme
noun
plural femmes
(now chiefly Canada, US) a young woman or girl.
Quotations
Then I turned to him and said, "O my lord, I have that to propose to thee wherein thou must not cross me; and this it is that, when we reach Baghdad, my native city, I offer thee my life as thy handmaiden in holy matrimony, and thou shalt be to me baron and I will be femme to thee."
1885, Richard Francis Burton, The Book of the Thousand Nights and a Night, Night 18
(LGBT) A lesbian or other queer woman whose appearance, identity etc. is seen as feminine as opposed to butch.
Quotations
Some of the most political dykes in town had already converted, tossing out their Levi's and Birkenstocks in favor of poodle skirts and heels. It was no longer a question of butch vs. femme, liberations vs. oppression. Clothes did not unmake the woman; clothes were just clothes.
1986 , Armistead Maupin, Babycakes (Tales of the City), pages 64–65
Given the myth that lesbian femmes will eventually leave their butches for men, there is an understandable unwillingness to acknowledge bisexual femmes, who really might do it — as indeed they have every right to.
1997, Bi Academic Intervention, Bisexual Imaginary: Representation, Identity, and Desire, A&C Black, page 207
(LGBT, less common) A person whose gender is feminine-leaning, such as a feminine non-binary person.
Quotations
The same is true of Goddess Spirituality spaces which are predicated on Radical Feminist rhetorics about Nature and the embodied experience – even those spaces which are open to trans women and nonbinary femmes may still fall back on language about the womb [...]
2018, Queer Magic: Power Beyond Boundaries (Lee Harrington, Tai Fenix Kulystin), page 79
adjective
comparative more femme, superlative most femme