senatrix

noun3

1. •
   (rare) A female senator (a female member of a senate)
2. •
   (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 .

   • Mrs. CARAWAY of Arkansas. Mr. President, will the distinguished gentleman from Pennsylvania yield to a few questions? Mr. REED of Pennsylvania. I yield to the Senatrix from Arkansas. — 1934
3. •
   (old-fashioned, rare) The wife of a senator.

   • Theodora, beautiful, able, and shameless, was called the senatrix, the wife of the senator Theophylact, and the soul of that great, noble family and its dependents. — 1897