Meaning of MUSHROOM in English

I. ˈməsh-ˌrüm, -ˌru̇m; chiefly Northern & Midland -ˌrün; dialect ˈmə-shə-ˌrüm, -ˌru̇m, -ˌrün noun

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

Date: 15th century


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. : fungus

2. : upstart

3. : something resembling a mushroom

II. intransitive verb

Date: 1893


a. : to well up and spread out laterally from a central source

b. : to become enlarged or extended : grow

2. : to collect wild mushrooms

3. : to spring up suddenly or multiply rapidly

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.