Main Entry:

¹mush·room

Pronunciation:

\ˈməsh-ˌrüm, -ˌru̇m; chiefly Northern & Midland -ˌrün; dialect ˈmə-shə-ˌrüm, -ˌru̇m, -ˌrün\

Function:

noun

Etymology:

Middle English musheron, from Anglo-French musherum, musseron, from Late Latin mussirion-, mussirio

Date:

15th century

1 a: an enlarged complex aboveground fleshy fruiting body of a fungus (as a basidiomycete) that consists typically of a stem bearing a pileus ; especially : one that is edible b: fungus2: upstart3: something resembling a mushroom