Parillin \Pa*ril"lin\, n. [Shortened fr. sarsaparillin.] (Chem.)
A glucoside resembling saponin, found in the root of
sarsaparilla, smilax, etc., and extracted as a bitter white
crystalline substance; -- called also {smilacin},
{sarsaparilla saponin}, and {sarsaparillin}.
[1913 Webster]