Sentence:  But even as movies depicting successful madams, freelance hookers, and <WSD>dominatrices</WSD> were celebrating prostitution as a marketplace expression of the new sexual freedom, doubts were emerging, a backlash growing. 
Meaning of the word marked with <WSD> tags:  A dominant female in sadomasochistic practices.<ref name="COED-pron&defs">The '''Concise Oxford English Dictionary''' [Eleventh Edition]</ref>