button mushroom

noun
|Updated on: 5 Jul 2018

Definition of button mushroom

: a usually small white mushroom (Agaricus bisporus synonym A. brunnescens) in which the pileus has not yet expanded

Recent Examples of button mushroom from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'button mushroom.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of button mushroom

1865

in the meaning defined above

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BUTTON MUSHROOM Defined for English Language Learners

button mushroom

Definition of button mushroom for English Language Learners

  • : a small, white mushroom that is often eaten as a vegetable


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