hə̇ˈlōshēəm, -ōd.ē- noun
Usage: capitalized
Etymology: New Latin, from Late Greek hēlōtos nail-shaped (from Greek hēlos nail) + New Latin -ium
: 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