ˌseptəˈglēəm noun
Usage: capitalized
Etymology: New Latin, from sept- (II) + -gloeum (from Greek gloios gum) — more at gloeo-
: a form genus of fungi (order Melanconiales) having hyaline two-septate to several-septate and oblong conidia and including one member ( S. profusum ) that causes a leaf spot of elm and hazel