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n. pl. por·to·bel·los or por·ta·bel·las A mature, dark-brown form of the common cultivated mushroom (Agaricus bisporus). [Origin unknown.] |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
n. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
