from The Century Dictionary and Cyclopedia
- n. Any form of mill for the coarse grinding of grain for feed.
- n. Specifically A mill in which wheat is made into flour by a cracking process, passing between sets of rollers arranged consecutively at fixed distances apart.
- n. A machine for bruising flaxseed before grinding under edge-stones and pressing.
- n. A horizontal tumbling-barrel resting on four rollers. Two are drivers and two idlers, supporting the barrel and enabling it to roll with very little friction.
Sorry, no etymologies found.
Traditionally grain had been stone-ground, but during the Industrial Revolution a process was developed to roller-mill wheat, crushing the germ but removing the nutrients and flavor and extending its shelf life past one day, thus making “refined” white flour—once used only by the wealthy—affordable to the larger population.