Agaric

An agaric () is a type of fungus fruiting body characterized by the presence of a pileus (cap) that is clearly differentiated from the stipe (stalk), with lamellae (gills) on the underside of the pileus. It is type of mushroom or (particularly if poisonous) toadstool, the diverse group of agarics being lumped together as gilled mushrooms. "Agaric" can also refer to a basidiomycete species characterized by an agaric-type fruiting body.
Archaically, agaric meant 'tree-fungus' (after Latin agaricum); however, that... meer