/ˈmʌʃrʊm;-ru:m ||; ˈmʌʃrυm; -rum/noun [C] a type of plant which grows very quickly, has a flat or rounded top and can be eaten as a vegetable 蘑菇 ☞A mushroom is a type of fungus. Some, but not all, fungi can be eaten. Toadstool is name for some types of poisonous fungi. 蘑菇是一种真菌（fungus，复数为fungi）。真菌有些可供食用，有些不可。某些种类的有毒真菌叫toadstool。