noun
- Soft lump or unevenness in a yarn; either an imperfection or created by design.
by WordNet 3.0 © 2006 by Princeton University
- (v.t.) To draw out and twist slightly; -- said of slivers of wool.
- (n.) A roll of wool slightly twisted; a rove; -- called also slubbing.
by Webster's Revised Unabridged Dictionary