from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A poisonous glucoside found in several species of hellebore.
from the GNU version of the Collaborative International Dictionary of English
- n. A poisonous glucoside found in several species of hellebore, and extracted as a white crystalline substance with a sharp tingling taste. It possesses the essential virtues of the plant; -- called also elleborin.
from The Century Dictionary and Cyclopedia
- n. A crystalline glucoside having poisonous properties, found in black hellebore.
This root contains a chemical glucoside -- "helleborin," which, if given in full doses, stimulates the kidneys to such an excess that their function becomes temporarily paralyzed.