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.]
Phrases & Compounds
Trone stone
a weight equivalent to nineteen and a half pounds.
Trone weight
a weight formerly used in Scotland, in which a pound varied from 21 to 28 ounces avoirdupois.