We don't have synonyms for kilned yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are killed, kilted and kilner.
(n) :
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.
(n) :
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.