n. A stone hand-mill for grinding grain.n. The old hand-mill, or quern, such as Pennant sketched the Hebrides women grinding with in the last century, has not yet gone out; Dr. Mitchell says there are thousands of them at work in Scotland, where stilln. A hand-mill used for grinding pepper, mustard, and the like. Such querns were used even on the table, and as early as the sixteenth century.To grind.