Movement of liquid out of a system (8)

I believe the answer is:

drainage

(Other definitions for drainage that I've seen before include "Drawing off liquid" , "Water removal system" , "System for removing liquid" , "Water run-off system" , "System of waste pipes" .)

I've seen this clue in The 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.