masturbatrix

noun2

1. •
   (rare) A female masturbator.

   • I thought at first she was a regular intriguer, but came to the conclusion that I had had the first of her; and that until then she had been a masturbatrix, and frigged her flesh off her bones. — 1888
2. •
   (rare) A dominatrix who specialises in handjobs.

   • Thus under the Restoration one spoke of the branleuses or masturbatrixes of the Palais Royal, whose clients, students for the most part, came to have their hard-ons massaged away for a few centimes. — 1987