ˌəstəˈlā(ˌ)gō noun
Usage: capitalized
Etymology: New Latin Ustilagin-, Ustilago, from Late Latin, a thistle, from Latin ustus, past participle of urere to burn; so called from its scorched appearance — more at ember
: a genus (the type of the family Ustilaginaceae) of smut fungi comprising the loose smuts — compare tilletia