Put in very hot water (4)
I believe the answer is:
boil
(Other definitions for boil that I've seen before include "let off steam" , "7 in water" , "Seethe - painful swelling" , "Painful sore" , "Cook in hot water" .)
I believe the answer is:
boil
(Other definitions for boil that I've seen before include "let off steam" , "7 in water" , "Seethe - painful swelling" , "Painful sore" , "Cook in hot water" .)