[f. BUFF sb.2]
trans. a. To polish with a buff (frequent colloq. in the metal trades). b. To impart the velvety surface usual in buff leather for belts, etc.
1885. H. M. Newhall, in Harper’s Mag., Jan., 284/2. Sand-paper … ‘buffs’ the grain of the leather, leaving it white and velvety.
