1868 19 Aug. 125/2 [U.S. Patent] 80,713.—Hominy and Pearling Mill.
a1877 E. H. Knight II. 1644/2 Pearling-mill, a mill for preparing hominy, pearling barley, etc.
2002 (Nexis) 26 June 38 The spiked rollers of a pearling mill removes [sic] some of the tough outer husk [of types of wheat], thus shortening the cooking time.