- 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
WordReference Random House Unabridged Dictionary of American English © 2026
fair′y ring′,
- Fungiany of numerous mushrooms of meadows and open woods, esp. the well-known Marasmius oreades, that spread in rings originating from mycelial growth: formerly supposed to mark the paths laid by dancing fairies.
- 1590–1600
Collins Concise English Dictionary © HarperCollins Publishers::
fairy ring n