oyster mushroom
noun/ˈɔɪstə mʌʃrʊm/, /ˈɔɪstə mʌʃruːm/
/ˈɔɪstər mʌʃrʊm/, /ˈɔɪstər mʌʃruːm/
- a type of wide, flat fungus that grows on trees and that you can eat
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oyster mushroom
Definition of oyster mushroom noun from the Oxford Advanced Learner's Dictionary