corn smut
noun
a disease of corn caused by a fungus, Ustilago maydis, and characterized by blackish, powdery masses of spores on the affected parts of the plant.
Origin of corn smut
First recorded in 1880–85
Words nearby corn smut
corn rose,
corn salad,
corn shock,
corn shuck,
corn silk,
corn smut,
corn snake,
corn snow,
corn stack,
corn sugar,
corn syrup
British Dictionary definitions for corn smut
corn smut
noun
an ascomycetous parasitic fungus, Ustilago zeae, that causes gall-like deformations on maize grain
the condition produced by this fungus