Definition - What does Domina mean?
Domina is one of several possible titles for a female Dominant. It can be a self proclaimed title, or it can be the honorific a submissive partner uses to address their top/Dominant.
Kinkly explains Domina
Although less common than the term Mistress, Domina is a popular title in the kink and BDSM scene. It is used to refer to a female Dominant partner.