Weave — air in the lungs (4)

I believe the answer is:

wind

(Other definitions for wind that I've seen before include "Move on a twisting path" , "Twist, turn; breeze" , "Breath; twist" , "Gust, e.g." , "Coil; breeze" .)

I've seen this clue in The Guardian.

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.