dominatrix /ˌdɒmɪˈneɪtɹɪks/noun 2verb 1forms 4 noun2 •A dominant female in sadomasochistic practices.Shadowy masked dominatrixes in stiletto-heeled hip boots snap commands and whips with equal fury. — 2003 •(informal) A dominating woman; a female dominator. verb1 •(informal) To act as a dominatrix, especially professionally.Cara, when you reach 18, maybe you will take up "dominatrixing" for a living. — 1999 formsdominatrixed · dominatrixing · dominatrixes · dominatrices