harmaline
noun
har·ma·line
| \ ˈhär-mə-ˌlēn
\
\
Medical Definition of harmaline
: a hallucinogenic alkaloid C13H14N2O found in several plants (Peganum harmala of the family Zygophyllaceae and Banisteriopsis spp. of the family Malpighiaceae) and used in medicine as a stimulant of the central nervous system