huí
old variant of 蛔[hui2]
马蛔虫
mǎ huí chóng
horse roundworm
蛔虫
huí chóng
roundworm; ascarid; (esp.) Ascaris lumbricoides, a human parasite
蛔虫病
huí chóng bìng
ascariasis, infection caused by the roundworm Ascaris lumbricoides