Verses with the word thresh in the Old Testament (4 verses):

Isaiah 41:15
Behold, I will make thee a new sharp threshing instrument having teeth: thou shalt thresh the mountains, and beat them small, and shalt make the hills as chaff.

Jeremiah 51:33
For thus saith the LORD of hosts, the God of Israel; The daughter of Babylon is like a threshingfloor, it is time to thresh her: yet a little while, and the time of her harvest shall come.

Micah 4:13
Arise and thresh, O daughter of Zion: for I will make thine horn iron, and I will make thy hoofs brass: and thou shalt beat in pieces many people: and I will consecrate their gain unto the LORD, and their substance unto the Lord of the whole earth.

Habakkuk 3:12
Thou didst march through the land in indignation, thou didst thresh the heathen in anger.