The Collaborative International Dictionary
sarsaparilla saponin
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.