'Burden' in the Bible

For thus says the Lord, ‘You will not see wind or rain, yet that valley will be filled with water, so you and your cattle and your other animals may drink.

And Naaman said, Shall there not then, I pray thee, be given to thy servant two mules' burden of earth? for thy servant will henceforth offer neither burnt offering nor sacrifice unto other gods, but unto the LORD.

So Hazael went to meet him, and took a present with him, even of every good thing of Damascus, forty camels' burden, and came and stood before him, and said, Thy son Benhadad king of Syria hath sent me to thee, saying, Shall I recover of this disease?

Then said Jehu to Bidkar his captain, Take up, and cast him in the portion of the field of Naboth the Jezreelite: for remember how that, when I and thou rode together after Ahab his father, the LORD laid this burden upon him;