English waterway (3)

I believe the answer is:

ure

(Other definitions for ure that I've seen before include "North Yorkshire river" , "Midge --, singer" , "River at Ripon" , "Ripon's river" , "Wensleydale river" .)

I've seen this clue in The Mirror.

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.