We don't have synonyms for senatrix yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are natrix, beatrix and zelatrix.
(n) :
(rare) A female senator (a female member of a senate)
(n) :
(rare) Traditionally used as a term of address for a female senator in parliamentary proceedings in some Senates like those of the United States, Canada and France .
(n) :
(rare) A female senator (a female member of a senate)
(n) :
(rare) Traditionally used as a term of address for a female senator in parliamentary proceedings in some Senates like those of the United States, Canada and France .