Flap of tissue keeping food out of the windpipe (10)
I believe the answer is:
epiglottis
(Other definitions for epiglottis that I've seen before include "stop for a breather" , "Thin flap in the throat" .)
I've seen this clue in The Times and The Sunday 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.