Definitions of senate
an upper house of a legislative body
He resigned from the Canadian Senate.
the Senate is considered to be upper house of the American Congress. However, technically the US Constitution does not describe either one of the two houses in its bicameral system as being above the other.
He testified before the Senate Veterans Affairs Committee.
the administrative body of a university, college, or other institution
The university's senate held a meeting to discuss the future of music as a degree subject.