One entry found for hallmark.
Main Entry: hall·mark
Pronunciation: hl-märk
Function: noun
Etymology: named for Goldsmith's Hall in London, England, where gold and silver articles formerly were tested for purity and stamped 1: an official mark stamped on gold and silver articles in England to certify their purity 2: a mark or indication of excellence, quality, or purity <bears the hallmarks of genius> - hallmarkverb