Noun

• S: (n) mushroom (common name for an edible agaric (contrasting with the inedible toadstool))
• S: (n) mushroom (mushrooms and related fleshy fungi (including toadstools, puffballs, morels, coral fungi, etc.))
• S: (n) mushroom (any of various fleshy fungi of the subdivision Basidiomycota consisting of a cap at the end of a stem arising from an underground mycelium)
• S: (n) mushroom, mushroom cloud, mushroom-shaped cloud (a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb))
• S: (n) mushroom (fleshy body of any of numerous edible fungi)
• direct hypernym / inherited hypernym / sister term
• S: (n) vegetable, veggie, veg (edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant)
• S: (n) produce, green goods, green groceries, garden truck (fresh fruits and vegetable grown for the market)
• S: (n) food, solid food (any solid substance (as opposed to liquid) that is used as a source of nourishment) "food and drink"
• S: (n) solid (matter that is solid at room temperature and pressure)
• S: (n) matter (that which has mass and occupies space) "physicists study both the nature of matter and the forces which govern it"
• S: (n) physical entity (an entity that has physical existence)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• part holonym
• derivationally related form

Verb

• S: (v) mushroom (pick or gather mushrooms) "We went mushrooming in the Fall"
• S: (v) mushroom (grow and spread fast) "The problem mushroomed"