transitive. To beat or roll (metal) into thin plates.

transitive. To roll (metal); to flatten (metal) under a roller or beater. Also: to roll (paper) into sheets with a smooth and even surface.

transitive. To make flat, smooth, or compact by means of pressure with a roller or rollers; originally spec. to flatten dough, pastry, etc., in this…

‘To roll or bloom (ingots)’ (Raymond Mining Gloss.). Also with down.

transitive to shape or form by roll-forming.