traitress noun.
['treɪtrɪs] Also traitoress
['treɪt(ǝ)rɪs].
LME.[Old & mod. French traîtresse fem. of traître TRAITOR noun: see -ESS1. In form traitoress from TRAITOR noun + -ESS1.]A female traitor; a traitorous or treacherous woman.
■ R. L. Stevenson [Knox] solemnly proclaims all reigning women to be traitoresses and rebels against God. [TahlilGaran] English Dictionary ▲