Definify.com

Webster 1913 Edition

Noun.

[L.

salix

-icis

, a willow: cf. F.

salicine

. See

the tree.]

(Chem.)

A glucoside found in the bark and leaves of several species of willow (

Salix

) and poplar, and extracted as a bitter white crystalline substance.

salicin ‎(countable and uncountable, plural salicins)

A glucoside derivative of salicylic acid; the active principle of willow bark, once used medicinally.