n.
Pronunciation: ˌ s ī -l ə - ' s ī -b ə n
Function: noun
Etymology: New Latin Psilocybe, fungus genus + 1 -in
Date: 1958
: a hallucinogenic indole C 12 H 17 N 2 O 4 P obtained from a fungus (as Psilocybe mexicana or P. cubensis syn. Stropharia cubensis )