behold, I will put a fleece of wool on the threshing floor; if there be dew on the fleece only, and it be dry on all the ground, then shall I know that you will save Israel by my hand, as you have spoken.
So, there came an angel of the LORD, and sat under an oak tree which is at Ophrah, that pertained to Joash the Abiezrite: [and the son] and his son Gideon threshed wheat by the winepress, to hide it from the Midianites ( Judges 6:11 ).