Definition of portobello
: a large dark mature cultivated mushroom noted for its meaty texture that is of the same variety of button mushroom as the cremini
Recent Examples of portobello from the Web
The line also has a Dive-In menu with four specialty burgers to order (one is vegetarian, featuring a portobello mushroom) at the ship’s Lido Pool.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'portobello'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of portobello
perhaps alteration of Italian prataiolo, prataiuolo or dialect Italian pratarolo meadow mushroom, from prato meadow, from Latin pratum
First Known Use: 1986See Words from the same year
PORTOBELLO Defined for English Language Learners
Definition of portobello for English Language Learners
: a large brown mushroom used in cooking
Seen and Heard
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