Em'ər-y, n.

n. [Fr. éméri, émeril, Sp. esmeril, It. smeriglio; Ger. schmergel; from Gr. σμίρις, σμύρις, σμήρις.] (Min.) Corundum intimately blended with oxide of iron, occurring native in masses and grains, and extensively used in the arts for grinding and polishing metals, hard stones, and glass. Dana.

Emery cloth or paper, cloth or paper covered with ground emery for scouring, polishing, and like purposes. — Emery wheel, a wheel faced with emery, and made to move rapidly, for the purpose of smoothing or polishing hard substances. In machine-shops, it is sometimes called a buff-wheel, and by the manufacturers of cutlery, a glazer.