Definition of victrix in English:
 victrix
nounPlural victrices ˈvɪktrɪks
rare A female victor or champion.
 Example sentencesExamples
-  Similarly, the Latin feminine suffix trix is occasionally used as a counterpart to masculine tor rather than the commoner French-derived tress, as in dominatrix, executrix, victrix, as against actress, benefactress.
 -  We first hear her favourite phrase when she returns, victrix, with the Revd Elton in tow as her newly wed husband.
 -  Is wisdom really powerful enough to defeat Fortune, to be the victrix in a battle between the two of them?
 
Origin
  
Latin, feminine of victor (see victor).