mushroom

Sense 1 noun

common name for an edible agaric (contrasting with the inedible toadstool)

Sense 2 verb

pick or gather mushrooms

We went mushrooming in the Fall

Sense 3 noun

mushrooms and related fleshy fungi (including toadstools, puffballs, morels, coral fungi, etc.)

Sense 4 verb

grow and spread fast

The problem mushroomed

Sense 5 noun

any of various fleshy fungi of the subdivision Basidiomycota consisting of a cap at the end of a stem arising from an underground mycelium

Sense 6 noun

a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb)

Sense 7 noun

fleshy body of any of numerous edible fungi