Crossword Genius

Test tube stopper (4)

Ross

I believe the answer is:

bung

(Other definitions for bung that I've seen before include "could be a corker" , "Bribe - bottle stopper" , "Cask stopper" , "Bribe (slang)" , "Spigot or cork" .)

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.