smut

1. v. t. Foul matter, like soot or coal dust; also, a spot or soil made by such matter. Source: opted

2. v. t. Bad, soft coal, containing much earthy matter, found in the immediate locality of faults. Source: opted

3. 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. Source: opted

4. v. t. Obscene language; ribaldry; obscenity. Source: opted

5. v. t. To stain or mark with smut; to blacken with coal, soot, or other dirty substance. Source: opted

6. v. t. To taint with mildew, as grain. Source: opted

7. v. t. To blacken; to sully or taint; to tarnish. Source: opted

8. v. t. To clear of smut; as, to smut grain for the mill. Source: opted

9. v. i. To gather smut; to be converted into smut; to become smutted. Source: opted

10. v. i. To give off smut; to crock. Source: opted

11. n. a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink Source: wordnet

12. n. destructive diseases of plants (especially cereal grasses) caused by fungi that produce black powdery masses of spores Source: wordnet

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