'Sledges' in the Bible

He also brought out the people who were there, and put them to [work with] the saws and sharp iron instruments and iron axes, and made them work at the brickkiln. And he did this to all the Ammonite cities. Then David and all the men returned to Jerusalem.

Ornan said to David, “Take it for yourself; and let my lord the king do what is good in his eyes. See, I will give you the oxen also for burnt offerings and the threshing sledges (heavy wooden platforms) for wood and the wheat for the grain offering; I give it all.”

Thus says the Lord,“For three transgressions of Damascus and for four (multiplied delinquencies)I shall not reverse its punishment or revoke My word concerning it,Because they have threshed Gilead [east of the Jordan River] with sharp iron sledges [having spikes that crushed and shredded].