Troy weight

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Related to Troy weight: avoirdupois ounce, OZT

TROY WEIGHT. A weight less ponderous than the avoirdupois weight, in the proportion of seven thousand, for the latter, to five thousand seven hundred and sixty, to the former. Dane's Ab. Index, h.t. Vide Weights.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
"That was one of the points of joining the Troy weight union, remember?"
Contrary to beliefs held as recently as a decade ago, it is now clear that Tower weight in England and Scotland preceded Troy weight, Tower weight was based on the weight of the silver penny at 22.5 gr., 20 of these to the ounce of 450 gr.