MULLER (2)

Source: 567

Mull″er, n. [[OE. mullen to pulverize, bruise; cf. Icel. mylja; prob. akin to E. mold soil. See Mold soil, and cf. Mull dirt.]] A stone or thick lump of glass, or kind of pestle, flat at the bottom, used for grinding pigments or drugs, etc., upon a slab of similar material.