Kiln (4)
'kiln' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for oven that I've seen before include "Cooker; furnace" , "Compartment for baking" , "Hot spot" , "Small furnace" , "It may get very hot" .)
'kiln' is the definition.
(I know that oast is a type of kiln)
This is all the clue.
(Other definitions for oast that I've seen before include "Hop-kiln" , "Hop drying kiln" , "Cooker" , "Where to cook" , "Oven for hops" .)