n. The Chelidonium majus, a papaveraceous plant of Europe, naturalized in the United States, having glaucous foliage, bright-yellow flowers, and acrid yellow juice, which is sometimes employed as a purgative and as a remedy for warts. To distinguish it from the following plant, it is often called the greater celandine.n. The pilewort, Ranunculus Ficaria, called in England the lesser or small celandine.