'Threshing floor' in the Bible

And Solomon began to build the house of the LORD at Jerusalem in mount Moriah, which was showed David his father when he prepared a place in the threshing floor of Ornan the Jebusite.

And the king of Israel and Jehoshaphat king of Judah sat either of them on his seat in their apparel, in a threshing floor beside the gate of Samaria, and all the Prophets prophesying before them.