Bible Dictionaries
Hall-Mark

Webster's Dictionary

(n.) The official stamp of the Goldsmiths' Company and other assay offices, in the United Kingdom, on gold and silver articles, attesting their purity. Also used figuratively; - as, a word or phrase lacks the hall-mark of the best writers.

Bibliography Information
Webster, Noah. Entry for 'Hall-Mark'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​h/hall-mark.html. 1828.