Whence subway air (5)
I believe the answer is:
grate
(Other definitions for grate that I've seen before include "Grind (cheese)" , "Grind, rasp" , "Rasp; shred" , "Reduce to small shreds" , "Irritate - rasp - fireplace" .)
I believe the answer is:
grate
(Other definitions for grate that I've seen before include "Grind (cheese)" , "Grind, rasp" , "Rasp; shred" , "Reduce to small shreds" , "Irritate - rasp - fireplace" .)