kiln /kɪln/noun 1verb 1forms 3 noun1 •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.One typical Grecian kiln engorged one thousand muleloads of juniper wood in a single burn. Fifty such kilns would devour six thousand metric tons of trees and brush annually. — 2006 verb1 •To bake in a kiln; to fire.When making pottery we need to allow the bisque to dry before we kiln it. formskilned · kilning · kilns