Crossword Genius

London cops tell what you owe (3,4)

Ross

I believe the answer is:

the bill

I'm a little stuck... Click here to teach me more about this clue!

'london' is the definition.
Although both the answer and definition are singular nouns, I don't see how one could define the other.

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for the bill that I've seen before include "Soap" , "requested at end of meal?" .)

I've seen this clue in the Sydney Morning Herald.
Want a hint initially instead of a full solution? Install my app