n.
Function: noun
Etymology: Middle English mowlde, perhaps alteration of mowle, from moulen to grow moldy, of Scandinavian origin; akin to Old Danish mul mold
Date: 14th century
1 : a superficial often woolly growth produced especially on damp or decaying organic matter or on living organisms by a fungus (as of the order Mucorales)
2 : a fungus that produces mold