ololiuqui
noun
olo·li·u·qui ˌō-ˌlō-lē-ˈü-kē 
: a woody-stemmed Mexican vine (Rivea corymbosa synonym Turbina corymbosa) of the morning glory family having small fleshy fruits with single seeds that are used especially by the native Indians for medicinal, narcotic, and religious purposes
Word History
Etymology
Spanish ololiuque, from Nahuatl ololiuhqui, literally, something rolled into a ball
First Known Use
1894, in the meaning defined above
Medical Definition
ololiuqui
noun
olo·li·u·qui ˌō-ˌlō-lē-ˈü-kē
: a woody stemmed Mexican vine (Rivea corymbosa) of the morning glory family having seeds with hallucinogenic properties