Slubbing

from The Collaborative International Dictionary of English v.0.48

Slub \Slub\, n. [Etymol. uncertain.]
   A roll of wool slightly twisted; a rove; -- called also
   {slubbing}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Slub \Slub\, v. t. [imp. & p. p. {Slubbed}; p. pr. & vb. n.
   {Slubbing}.]
   To draw out and twist slightly; -- said of slivers of wool.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Slubbing \Slub"bing\,
   a. & n. from {Slub}.
   [1913 Webster]

   {Slubbing billy}, or {Slubbing machine}, the machine by which
      slubs are formed.
      [1913 Webster]

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