from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A hallucinogenic compound, C12H17N2O4P, obtained from the mushroom Psilocybe mexicana.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A hallucinogenic alkaloid, C₁₂H₁₅N₂O·H₂PO₃, present in several species of Central American mushroom and producing effects similar to LSD.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a hallucinogenic compound obtained from a mushroom
New Latin Psīlocybē, mushroom genus (Greek psīlos, bare + Greek kubē, head) + -in.(American Heritage® Dictionary of the English Language, Fourth Edition)
After German Psilocybin (coined by Albert Hofmann), from modern Latin psilocybe, from Greek ψιλός ‘smooth’ + κύβη ‘head’. (Wiktionary)