male-to-female

Used other than figuratively or idiomatically: see male, to, female.

(LGBT) Transitioning or having transitioned from being physically male to being female.

(LGBT) Changing or having changed from having a male gender (gender identity or presentation) to being female.

(electronics, of an adapter) That changes a male end (with pins, usually a plug) of a connection into a female one (usually a socket).