a luminescent glow emitted by certain fungi on rotting wood
See also bioluminescence
WordReference Random House Unabridged Dictionary of American English © 2025
fox•fire
(foks′fīər′),USA pronunciation n. [Chiefly Midland and Southern U.S.]
- Dialect Termsorganic luminescence, esp. from certain fungi on decaying wood.
- Dialect Terms, Fungiany of various fungi causing luminescence in decaying wood.
- 1425–75; late Middle English; see fox, fire
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