Steel'yard, n.

(colloq. stīl'yard) (Synop., § 130), n. A form of balance in which the body to be weighed is suspended from the shorter arm of a lever, which turns on a fulcrum, and a counterpoise is caused to slide upon the longer arm to produce equilibrium, its place upon this arm (which is notched or graduated) indicating the weight; a Roman balance. [See Illust. of Balance.]