PEYOTE
mescaline, peyote
(noun) the hallucinatory alkaloid that is the active agent in mescal buttons
mescal, mezcal, peyote, Lophophora williamsii
(noun) a small spineless globe-shaped cactus; source of mescal buttons
Source: WordNet® 3.1
Etymology
Noun
peyote (plural peyotes)
A small, spineless cactus (Lophophora williamsii) found from southwest United States to central Mexico that produces buttonlike tubercles that can be chewed for its psychedelic effect, primarily from the drug mescaline.
A mescal button produced by the plant.
Synonyms
• (Lophophora williamsii): mescal
Source: Wiktionary