唐とう瘡がさMeanings1nounsyphilisarchaicArchaic term for syphilis; replaced by 梅毒 (ばいどく) in modern medical and everyday usage.See also: 梅毒江え戸ど時じ代だいの文ぶん献けんには「唐とう瘡がさ」という病びょう名めいが見みられる。The disease name '唐瘡' appears in documents from the Edo period.