Refers to a heated chamber for baking, firing, or drying. Can be a pottery kiln, a bread oven, or an industrial furnace.
このパン屋では石造りの焼き窯を使っている。
This bakery uses a stone oven.
陶芸家は焼き窯で作品を焼く。
The potter fires their work in a kiln.
Compound of 焼き (yaki, 'baking, firing') + 窯 (kama, 'kiln, oven').