'Piece' in the Bible

At mealtime Boaz said to her, “Come here, that you may eat of the bread and dip your piece of bread in the vinegar.” So she sat beside the reapers; and he served her roasted grain, and she ate and was satisfied and had some left.

Then he said to the closest relative, “Naomi, who has come back from the land of Moab, has to sell the piece of land which belonged to our brother Elimelech.