mushroom

Universal Words noun, verb noun a FUNGUS with a round flat head and short stem. Many mushrooms can be eaten: a field mushroom (= the most common type that is eaten, often just called a 'mushroom', and often grown to be sold) * fried mushrooms * cream of mushroom soup seealsoBUTTONMUSHROOM, TOADSTOOL verb [V] 1 to rapidly grow or increase in number: We expect the market to mushroom in the next two years. 2 (usually go mushrooming) to gather mushrooms in a field or wood