An oven or furnace or a heated chamber, for the purpose of hardening, burning, calcining or drying anything; for example, firing ceramics, curing or preserving tobacco, or drying grain.
To bake in a kiln. Example: When making pottery we need to allow the bisque to dry before we kiln it.
All clues having "KILN"
for an answer:
You can find a list of possible crossword clues for KILN below.