mushroom

n 1: common name for an edible agaric (contrasting with the

inedible toadstool) [ant: {toadstool}]

2: any of various fleshy fungi of the subdivision Basidiomycota

consisting of a cap at the end of a stem arising from an

underground mycelium

3: a large cloud of rubble and dust shaped like a mushroom and

rising into the sky after an explosion (especially of a

nuclear bomb) [syn: {mushroom cloud}, {mushroom-shaped

cloud}]

4: fleshy body of any of numerous edible fungi

v 1: pick or gather mushrooms; "We went musrooming in the Fall"

2: grow and spread fast; "The problem mushroomed"