2. (Mining) Bad, soft coal, containing much earthy matter, found in the immediate locality of faults.
3. (Bot.) 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.
4. Obscene language; ribaldry; obscenity.
He does not stand upon decency . . . but will talk smut, though a priest and his mother be in the room.
Addison. Smut mill,
a machine for cleansing grain from smut.
Smut
(Smut) v. t. [imp. & p. p. Smutted; p. pr. & vb. n. Smutting.]
1. To stain or mark with smut; to blacken with coal, soot, or other dirty substance.
2. To taint with mildew, as grain. Bacon.
3. To blacken; to sully or taint; to tarnish.
4. To clear of smut; as, to smut grain for the mill.
Smut
(Smut), v. i.
1. To gather smut; to be converted into smut; to become smutted. Mortimer.
2. To give off smut; to crock.