Screen out unwanted material (6)

I believe the answer is:

filter

'screen out unwanted material' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for filter that I've seen before include "Screen out unwanted material" , "Strain" , "Device to abstract solid matter" , "Sieve" , "Percolate" .)

I've seen this clue in the Irish Times (Simplex) and The Irish Times.

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.