Crossword Genius

Firmament-sweeping instrument (9)

Ross

I believe the answer is:

telescope

(Other definitions for telescope that I've seen before include "Glass" , "contract" , "Optical instrument for viewing at a distance" , "Crush together" , "Astronomer's instrument" .)

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.