psilocybin Hear it!

psilocybin definition

psilo·cy·bin (sī′lə sī′bin, sil′ə-)

noun

a hallucinogenic drug obtained from a fungus (genus Psilocybe, esp. P. mexicana)

Etymology: < ModL Psilocybe < Gr psilos, bare (akin to psēn, to rub: see psoriasis) + kybē, head + -in

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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