Parillin :: Parillin (n.) 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..
Sarsaparilla :: Sarsaparilla (n.) Any plant of several tropical American species of Smilax.
Sarsaparilla :: Sarsaparilla (n.) The bitter mucilaginous roots of such plants, used in medicine and in sirups for soda, etc..