BLAST n.
A flatulent disease of sheep. Blast furnace, a furnace, usually a shaft furnace for smelting ores, into which air is forced by pressure. -- Blast hole, a hole in the bottom of a pump stock through which water enters. -- Blast nozzle, a fixed or variable orifice in the delivery end of a blast pipe; -- called also blas…
BUTT; BUT n.
overlapping, as planks. -- Butt weld (Mech.), a butt joint, made by welding together the flat ends, or edges, of a piece of iron or steel, or of separate pieces, without having them overlap. See Weld. -- Full butt, headfirst with full force. [Colloq.] "The corporal . . . ran full butt at the lieutenant." Marryat.…