[a. F. brasque in same sense; accord. to Littré, connected with braser to solder.] ‘A lining for crucibles or furnaces; generally, a compound of clay, etc., with charcoal dust. Raymond, Mining Gloss.
1871. Trans. Amer. Inst. Mining Eng., I. 108. A thin coating of clay or brasque (a composition of powdered charcoal and clay in varying proportions).
1875. Ure, Dict. Arts, II. 1023. Partially filling it with … charcoal or brasque.
