The definition of a mushroom is a quickly growing, fleshy fungus.(noun)
An example of a mushroom is a portabella.
Mushroom is defined as to hunt for edible mushrooms.(verb)
An example of mushroom is searching in the forest for chanterelles.
Mushroom is defined as something that is made of or resembles a mushroom.(adjective)
An example of mushroom is the shape of the smoke that rises from a large explosion; a mushroom cloud.
See mushroom in Webster's New World College Dictionary
Origin: ME muscheron < OFr moisseron < LL mussirio (gen. mussirionis)
See mushroom in American Heritage Dictionary 4
Origin: Alteration (influenced by room)
Origin: of Middle English musheron
Origin: , from Anglo-Norman moscheron, musherum
Origin: , from Old French mousseron
Origin: , from Medieval Latin musariō, musariōn-.
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