ˌaspə(r)ˈjiləs noun
Etymology: New Latin, alteration of aspergillum
1. plural aspergilli -ˌlī : aspergillum
2. capitalized : a genus (the type of the family Aspergillaceae) of fungi including besides common molds species pathogenic to plants and animals and characterized by spores borne in chains on numerous simple or branched usually bottle-shaped sterigmata that radiate from the upper part or the whole of the swollen tip of the conidiophore — see aspergillosis