A member, normally elected, in the house or chamber of a legislature called a senate, as, for instance, the legislatures of the United States and Canada.

The title for someone who is elected to be a senator.

plural of senator

In some bicameral legislative systems, the upper house or chamber.

Any of several legislative bodies. (In countries which have multiple legislative bodies, the Senate is often the more senior.) / (historical) The council that governed the ancient Roman Republic.

plural of senate

Of, by, or pertaining to the Senate of Ancient Rome.

Alternative form of senet (“ancient board game”)

Former senator.

A house in which a senate meets, or a place of public council.