n. | 1. | (Bot.) A name given to many umbrella-shaped fungi, mostly of the genus Agaricus. The species are almost numberless. They grow on decaying organic matter. |
Noun | 1. | toadstool - common name for an inedible or poisonous agaric (contrasting with the edible mushroom) Antonyms: mushroom - common name for an edible agaric (contrasting with the inedible toadstool) |