River on which Peterborough stands (4)

I believe the answer is:

nene

(Other definitions for nene that I've seen before include "Peterborough's river" , "Northants river" , "Foreign goose" , "Hawaiian goose; English river" , "River of Peterborough; goose" .)

I've seen this clue in The Independent.

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.