马蛔虫 Traditional form: 馬蛔蟲 Pinyin (reading): mǎhuíchóng Definitions: horse roundworm parascaris equorum Characters: 马 - horse; surname 蛔 - tapeworm 虫 - insect, worm; mollusk Traditional characters: 馬 - horse; surname 蛔 - tapeworm 蟲 - insect, worm; mollusk