Mining. a. Lead ore in its rough state. Cf. BOUSE sb.2 b. Lead ore sittings.
1653. Manlove, Lead-mines, 266. Fell, Bous and Knock-barke.
1851. [see BOUSE sb.2].
1874. Knight, Dict. Mech., Fell. (Metallurgy.) The finer portions of lead ore which fall through the meshes of the sieve when the ore is sorted by sifting.
