cramp ball


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cramp ball

n
(Plants) a hard round blackish ascomycetous fungus, Daldinia concentrica, characteristically found on the bark of ash trees and formerly carried to ward off cramp. The specific name refers to the concentric rings revealed if the fungus is sliced
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What is a cramp ball? Rhys Ifans - see Question 7 Foundling, published in 1749?