Upper House of parliament (6)

I believe the answer is:

senate

'upper house of parliament' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for senate that I've seen before include "Upper council of university" , "Governing body of ancient Rome" , "Governors here" , "Legislative body" , "Legislative assembly" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.