Assay
A Dictionary of Law · Henry Campbell Black · 1891
A Dictionary of Law
The proof or trial, by chemical experiments, of the purity or fineness of metils,—particularly of the precious metals, gold and gilver, A trialof weights and measures by a standard; as by the constituted authorities, clerks of markets, etc.
Reg. Orig. 280.
A trial or examination of certain commodities, as bread, cloths, etc. Cowell; Blount.