It's full of hot air (4)
I believe the answer is:
kiln
(Other definitions for kiln that I've seen before include "Kind of oven" , "Oven for hardening and drying" , "Drying furnace" , "Oven for firing bricks" , "Hops or pottery cooker?" .)
I believe the answer is:
kiln
(Other definitions for kiln that I've seen before include "Kind of oven" , "Oven for hardening and drying" , "Drying furnace" , "Oven for firing bricks" , "Hops or pottery cooker?" .)