senator

noun

1. a member of a senate.
2. (initial capital letter) (in the U.S.) a title of respect accorded a person who is or has been a member of the Senate.

noun

1. (often capital) a member of a Senate or senate
2. any legislator or statesman

n.c.1200, “member of an (ancient) senate,” from Old French senator (Modern French sénateur), from Latin senator “member of the senate,” from senex “old; old man” (see senate). An Old English word for one was folcwita. As “member of a (modern) governing body” from late 14c.; specifically in U.S. use from 1788. Fem. form senatress attested from 1731. The Senators was the name of the professional baseball team in Washington, D.C., from 1891 to 1971.