'Roughing rolls' definitions:

Definition of 'Roughing rolls'

From: GCIDE

Rough \Rough\, v. t.
1. To render rough; to roughen. [1913 Webster]
2. To break in, as a horse, especially for military purposes. --Crabb. [1913 Webster]
3. To cut or make in a hasty, rough manner; -- with out; as, to rough out a carving, a sketch. [1913 Webster]
Roughing rolls, rolls for reducing, in a rough manner, a bloom of iron to bars.
To rough it, to endure hard conditions of living; to live without ordinary comforts. [1913 Webster]