- any of various fleshy fungi including the toadstools, puffballs, coral fungi, morels, etc.
- any of several edible species, especially of the family Agaricaceae, as Agaricus campestris(meadow mushroom, or field mushroom ), cultivated for food in the U.S.
- anything of similar shape or correspondingly rapid growth.
- a large, mushroom-shaped cloud of smoke or rubble, formed in the atmosphere as a result of an explosion, especially a nuclear explosion.
- of, consisting of, or containing mushrooms: a mushroom omelet.
- resembling a mushroom in shape or form.
- of rapid growth and often brief duration: mushroom towns of the gold-rush days.
- to spread, grow, or develop quickly.
- to gather mushrooms.
- to have or assume the shape of a mushroom.
- the fleshy spore-producing body of any of various basidiomycetous fungi, typically consisting of a cap (pileus) at the end of a stem arising from an underground mycelium. Some species, such as the field mushroom, are edible
- (as modifier)
- the fungus producing any of these structures
- something resembling a mushroom in shape or rapid growth
- (as modifier)
- to grow rapidly
- to assume a mushroom-like shape
- to gather mushrooms
