IPA: /ˈtoʊdˌstuːl/
KK: /ˈtoʊdˌstul/
A type of fungus that has a cap and stem, often considered poisonous or not safe to eat, unlike edible mushrooms.
We found a bright red toadstool in the forest, but we were careful not to touch it because it might be poisonous.
Toadstool is formed from "toad" (from Old English *tādige*, meaning a type of amphibian) and "stool" (from Old English *stol*, meaning a seat or a stool). The word refers to a type of mushroom that is often associated with toads, as they are commonly found in damp, shady areas where such fungi grow.
Imagine a 'toad' sitting on a 'stool' — that's how you can remember that a toadstool is a type of mushroom often found in the same damp places as toads.
No commonly confused words.