Xylostein
Xy`los´te`in
n. | 1. | (Chem.) A glucoside found in the poisonous berries of a species of honeysuckle (Lonicera xylosteum), and extracted as a bitter, white, crystalline substance. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.