[ sluhb ]
/ slʌb /

verb (used with object), slubbed, slub·bing.

to extend (slivers of fiber) and twist slightly in carding.


the fibers produced by slubbing.
a slight irregularity in yarn produced either accidentally or purposely by knotting or twisting or by including uneven lengths of fiber in spinning.

Origin of slub

First recorded in 1825–35; origin uncertain Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for slub

/ (slʌb) /


a lump in yarn or fabric, often made intentionally to give a knobbly effect
a loosely twisted roll of fibre prepared for spinning

verb slubs, slubbing or slubbed

(tr) to draw out and twist (a sliver of fibre) preparatory to spinning


(of material) having an irregular appearance

Word Origin for slub

C18: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012