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magic mushroom

American  

noun

  1. a mushroom, Psilocybe mexicana, of Mexico and the southwestern U.S., containing the hallucinogen psilocybin.

magic mushroom British  

noun

  1. informal any of various types of fungi that contain a hallucinogenic substance, esp Psilocybe mexicana, which contains psilocybin

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of magic mushroom

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Mushrooms are having their moment across many layers of society,” said Paul Stamets, one of today’s most well-known mycologists, who recently had a new species of magic mushroom named after him.

From Seattle Times • Mar. 26, 2023

Some historians argue that Santa Claus is actually a "magic" mushroom shaman, as indicated by his red and white outfit.

From Salon • Dec. 15, 2022

Some historians argue that Santa Claus is actually a "magic" mushroom shaman, as indicated by his red and white outfit.

From Salon • Dec. 15, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.