頭道粗紡
Slubbing \Slub"bing\, a. & n. from {Slub}. {Slubbing billy}, or {Slubbing machine}, the machine by which slubs are formed. Slub \Slub\, v. t. [imp. & p. p. {Slubbed}; p. pr. & vb. n. {Slubbing}.] To draw out and twist slightly; -- said of slivers of wool.