a reference to snake oil, any of various preparations advertised as medicine supposed to cure certain ailments, such a s rheumatism, colds, baldness, etc., formerly sold by peddlers posing as scientists, doctors, or the like. Snakeroot is any of various plants whose roots have been regarded as a remedy for snakebites. —HDA Tapes (Oakland Lectures) Approved Glossary (16.4.92)