Steelyard

1.

(a kind of balance with a short arm to take the thing being weighed and a metal arm along which a weight is moved) ជញ្ជីងហាប, ជញ្ជើញដង

1.

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; -- very commonly used also in the plural form, steelyards.