fairy ring(redirected from Faerie ring)
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A circle of mushrooms in a grassy area, marking the periphery of perennial underground mycelial growth.
[From the belief that it is a dancing place for fairies.]
1. (Botany) a ring of dark luxuriant vegetation in grassy ground corresponding to the edge of an underground fungal mycelium: popularly associated with the dancing of fairies: seasonally marked by a ring of mushrooms
2. (Botany) short for fairy ring mushroom, Marasmius oreades, a dainty buff-coloured edible basidiomycetous fungus, characteristically forming rings in grassland
any of numerous mushrooms of meadows and open woods that spread in rings originating from mycelial growth.