Definition of Helotium
: a genus (the type of the family Helotiaceae) comprising fungi that have inoperculate asci arranged in a hymenial layer in a cup-shaped apothecium with a colored rim of elongate thin-walled hyphae
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Origin and Etymology of helotium
New Latin, from Late Greek hēlōtos nail-shaped (from Greek hēlos nail) + New Latin -ium
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