Smut

(noun.) any fungus of the order Ustilaginales.

(noun.) destructive diseases of plants (especially cereal grasses) caused by fungi that produce black powdery masses of spores.

(verb.) affect with smut or mildew, as of a crop such as corn.

(verb.) become affected with smut; 'the corn smutted and could not be eaten'.

(verb.) stain with a dirty substance, such as soot.

(verb.) make obscene; 'This line in the play smuts the entire act'.

手打:萨拜娜