BULLION Meaning of BULLION in English ■ noun gold or silver in bulk before coining, or valued by weight.OriginME: from Anglo-Norman Fr., in the sense 'a mint', var. of OFr. bouillon , based on L. bullire 'to boil'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004