v. [UN-2 4.] trans. To divest of bran. Hence Unbranning vbl. sb.
1863. Wynter, Subtle Brains, 383. The invaluable process of unbranning wheat.
1884. Knight, Dict. Mech., Suppl. 911/1. Unbranning machine, a machine for removing the bran or cuticle of the wheat grain.