Webster's Revised Unabridged Dictionary · 1913

Trone

Trone , noun

A throne. [Obsolete] — Chaucer

Trone , noun

[Compare Prov. French trogne a belly.]

A small drain. [Obsolete or Provincial English]

Trone , noun

[Late Latin trona, from Latin trutina a balance; compare Greek {not transcribed}.]

1.
A steelyard. [Provincial English]
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. [Scottish] — Jamieson
Collocations (2)
Trone stone , a weight equivalent to nineteen and a half pounds. [Scottish]
Trone weight , a weight formerly used in Scotland, in which a pound varied from 21 to 28 ounces avoirdupois.

Also: Trones