toadstool

[ tohd-stool ]
/ ˈtoʊdˌstul /

noun

any of various mushrooms having a stalk with an umbrellalike cap, especially the agarics.
a poisonous mushroom, as distinguished from an edible one.
any of various other fleshy fungi, as the puffballs and coral fungi.

Origin of toadstool

First recorded in 1350–1400, toadstool is from the Middle English word tadstol. See toad, stool
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for toadstool

toadstool

/ (ˈtəʊdˌstuːl) /

noun

(not in technical use) any basidiomycetous fungus with a capped spore-producing body that is not edibleCompare mushroom (def. 1a)

Word Origin for toadstool

C14: from toad + stool
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