kilns is a form of:

Kiln



noun
1.
(oven or furnace in which clay articles like bricks and pottery are burned, baked, or dried) ឡ (ឥដ្ឋ, កំបោរ) ដុតក្អម, ដុតឆ្នាំង, ធ្វើអោយស្ងួត, ប្រដាប់រំងាប់មេរោគ (ដោយខ្យល់ក្ដៅរឺចំហាយទឹក)
verb
1.
(TRANSITIVE) ដុតក្នុងឡ (ផើងរឺក្អមដើម្បីអោយស្ងួត)
ENGLISH MEANING
noun
1.
A large stove or oven; a furnace of brick or stone, or a heated chamber, for the purpose of hardening, burning, or drying anything; as, a kiln for baking or hardening earthen vessels; a kiln for drying grain, meal, lumber, etc.; a kiln for calcining limestone.
2.
A furnace for burning bricks; a brickkiln.