Medical Definition of chelidonium
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
Seen and Heard
What made you want to look up chelidonium? Please tell us where you read or heard it (including the quote, if possible).