Smut(v. t.)
- Foul matter, like soot or coal dust; also, a spot or soil made by such matter.
Smut(v. t.)
- Bad, soft coal, containing much earthy matter, found in the immediate locality of faults.
Smut(v. t.)
- An affection of cereal grains producing a swelling which is at length resolved into a powdery sooty mass. It is caused by parasitic fungi of the genus Ustilago. Ustilago segetum, or U. Carbo, is the commonest kind; that of Indian corn is Ustilago maydis.