Chem. [f. mod.L. Xylosteum (f. Gr. ξύλον wood + ὀστέον bone) + -IN1.] A poisonous bitter substance found in the berries of the fly-honeysuckle, Lonicera Xylosteum.
1868. Watts, Dict. Chem., V. 1061. Ibid. (1871), trans. Gmelin’s Hand-bk. Chem., XVI. 102.
