assassinatrix

plural assassinatrices

1. rareA female assassin.

   The young Socialists had glorified Vera Sassoulitsch, the Russian would-be assassinatrix.

   1881, Leonard A. Montefiore, Essays and Letters Contributed to Various Periodicals between September 1877 and August 1879, together with Some Unpublished Fragments, London: [s.n.], →OCLC, page xlvi

   2 more examples

   [T]he Bride tracks down [David] Carradine's Bill—leader, mentor and more to this unstoppable assassinatrix.

   2004 April 14, Richard von Busack, “‘Bill’ Paying: When Everything is Cool, Nothing is Hip—Quentin Tarantino Kills Again [review of Kill Bill: Volume 2]”, in Metroactive, Metro Silicon Valley, archived from the original on 21 Sep 2015

   Having appeared with Jason [Statham] in Lock, Stock [and Two Smoking Barrels], Snatch and Mean Machine didn't necessarily qualify Jason Flemyng to play the hapless Russian villain Dimitri, while Kate Nauta's role as an evil assassinatrix dressed only in bra, pants, suspenders and high heels teetered from the initially sexy to the rudely ridiculous.

   2011, Len Brown, Jason Statham: Taking Stock, London: Orion Publishing, →OCLC

   Synonyms: assassinatress