Opening allowing air to circulate (4)

I believe the answer is:

vent

(Other definitions for vent that I've seen before include "Voice" , "Opening of a volcano" , "Slit in the back of a jacket" , "Air passage" , "Let off steam" .)

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.