Trone; Trones

Part of speech: noun (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.] Jamieson. 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.