Noun: oyster mushroom
- Edible agaric with a soft greyish cap growing in shelving masses on dead wood
"Oyster mushrooms sprouted from the rotting tree stump";
- oyster fungus, oyster agaric, Pleurotus ostreatus
Derived forms: oyster mushrooms
Type of: agaric
Part of: genus Pleurotus, Pleurotus
Encyclopedia: Oyster mushroom