'Sharpen' in the Bible

I will sharpen my lightning-like sword, and my hand will grasp hold of the weapon of judgment; I will execute vengeance on my foes, and repay those who hate me!

They charged two-thirds of a shekel to sharpen plowshares and cutting instruments, and a third of a shekel to sharpen picks and axes, and to set ox goads.

They sharpen their tongues like a sword; they aim their arrow, a slanderous charge,

If an iron axhead is blunt and a workman does not sharpen its edge, he must exert a great deal of effort; so wisdom has the advantage of giving success.

Harness the horses to the chariots! Mount your horses! Put on your helmets and take your positions! Sharpen you spears! Put on your armor!

"Sharpen your arrows! Fill your quivers! The Lord will arouse a spirit of hostility in the kings of Media. For he intends to destroy Babylonia. For that is how the Lord will get his revenge -- how he will get his revenge for the Babylonians' destruction of his temple.