dominatrix definition Hear it!

dom·i·na·trix (däm′i nātriks)

noun pl. dominatrixes -·trix·es or dominatrices -·tri·ces′ (-trə sēz′)

a woman who subjects her masochistic sexual partner to bondage, the infliction of ritualistic punishments, etc.; specif., a prostitute who performs such acts for her customers

dom·i·na·trix (dŏmˌə-nāˈtrĭks)

noun pl. dominatrixes dom·i·na·trix·es or dom·i·na·tri·ces (-nāˈtrĭ-sēzˌ, -nə-trīˈsēz)
  1. A woman who acts out the role of the dominating partner in a sadomasochistic relationship.
  2. A woman regarded as overbearing.