American Dictionary of the English Language

SMUT, noun

1. A spot made with soot or coal; or the foul matter itself.

2. A foul black substance which forms on corn. Sometimes the whole ear is blasted and converted into smut This is often the fact with maiz. smut lessens the value of wheat.

3. Obscene language.

SMUT, verb intransitive To gather smut; tobe converted into smut