oyster mushroom
noun
Origin of oyster mushroom
First recorded in 1870–75
Words nearby oyster mushroom
oyster cap,
oyster crab,
oyster cracker,
oyster farm,
oyster fork,
oyster mushroom,
oyster pink,
oyster plant,
oyster toadfish,
oyster white,
oystercatcher
British Dictionary definitions for oyster mushroom
oyster mushroom
noun
an edible fungus, Pleurotus ostreatus, having an oyster-shaped cap, commonly found growing in clusters on the trunks of broad-leaved trees