Dictionary.com
Thesaurus.com

toadstool

American  
[tohd-stool] / ˈtoʊdˌstul /

noun

  1. any of various mushrooms having a stalk with an umbrellalike cap, especially the agarics.

  2. a poisonous mushroom, as distinguished from an edible one.

  3. any of various other fleshy fungi, as the puffballs and coral fungi.


toadstool British  
/ ˈtəʊdˌstuːl /

noun

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

"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 toadstool

First recorded in 1350–1400, toadstool is from the Middle English word tadstol. See toad, stool

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.

Is it a “fruiting body,” better known as the toadstool, that emerges from the ground in a panoply of shapes and textures?

From Los Angeles Times

Around a week later, she found a mould infestation in the property's bathroom, including toadstools growing from the floor.

From BBC

It doesn’t take long for the bigger cabbages to look like bolted toadstools on steroids.

From Seattle Times

Mycelium, like yeast, molds and toadstools, are neither animals nor plants.

From Los Angeles Times

Denise Jones said there was persistent black mould in her bathroom and found toadstools growing in her kitchen.

From BBC