'Dew' in the Bible

May my instructions descend like rain and may my words flow like dew, as light rain upon the grass, and as showers upon new plants.

About Joseph he said: "May the blessing of the LORD be on his land: dew from the choicest of the heavens, and from the depths beneath;

So Israel lives in confidence, isolated as the fountain of Jacob in a land of grain and new wine, where the heavens rain down dew.