Trone Trones n.
1. A steelyard. [Prov. Eng.]
2. A form of weighing machine for heavy wares, consisting of two horizontal bars crossing each other, beaked at the extremities, and supported by a wooden pillar. It is now mostly disused. [Scot.]
Trone stone, a weight equivalent to nineteen and a half pounds. [Scot.]
Trone weight, a weight formerly used in Scotland, in which a pound varied from 21 to 28 ounces avoirdupois.