murderess

noun

Etymology: From Middle English morderes, from Old French morderesse, moeurdrese; equivalent to murder + -ess.

1. Female equivalent of murderer: a woman who commits murder.

   “‘[…] Yet am I very fair, Kallikrates!’ / ‘I hate thee, murdress, and I have no wish to see thee.[…]’”

   “With the main crisis is linked the scene in which the murderess, casting off the mask of her hypocrisy, openly exults in her deed, defends herself, and defies her subjects.”