The two legislative bodies of the United States: the House of Representatives and the Senate.
A two-year session of these bodies, commencing after a Federal election and ending before the next one.
A village in Ohio.
The United States Senate.
Any of several legislative bodies. (In countries which have multiple legislative bodies, the Senate is often the more senior.)
The Senate of Canada; the upper house of the Canadian parliament; "the Senate".
The upper legislative body of many of the states of the United States.
The council that governed the ancient Roman Republic.