n. [ From clink; cf. D. clinker a brick which is so hard that it makes a sonorous sound, from clinken to clink. Cf. Clinkstone. ] 1. A mass composed of several bricks run together by the action of the fire in the kiln. [ 1913 Webster ] 2. Scoria or vitrified incombustible matter, formed in a grate or furnace where anthracite coal in used; vitrified or burnt matter ejected from a volcano; slag. [ 1913 Webster ] 3. A scale of oxide of iron, formed in forging. [ 1913 Webster ] 4. A kind of brick. See Dutch clinker, under Dutch. [ 1913 Webster ] | 