Refuse Child and Harper in library (4)

I believe the answer is:

lees

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

'refuse' is the definition.
(I've seen this in another clue)

I cannot understand how the remainder of the clue works.

(Other definitions for lees that I've seen before include "Sediment that settles at the bottom of wine" , "Grounds" , "Wine dregs" , "worst part" , "Dregs, sediment" .)

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.