knobbling roll: Meaning and Definition of

knob'bling roll"

Pronunciation: (nob'ling), [key]
— Metalworking. Metalworking.
  1. a roll for a rolling mill, having a series of regularly shaped projections and depressions on its face.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.