chelidonium

noun

chel·​i·​do·​ni·​um ˌkel-ə-ˈdō-nē-əm 

1

capitalized : a genus of yellow-flowered herbs of the poppy family (Papaveraceae) that have yellowish acrid juice and include the celandine

2

: a preparation of celandine (Chelidonium majus) used especially formerly as a diuretic