To sprinkle or coat food lightly with flour or sugar.
Minute, fine particles of earth; any powder, especially something that has settled from the air.
Finely fragmented substances (such as those used for safeguarding plants) that may or may not be combined with a solvent, intended for use when dry.
The term being described here is a verb that refers to the act of sprinkling a fine powder, such as flour or sugar, over something lightly.