H2786 — charaq
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
charaq — pronounced khaw-rak
a primitive root; to grate the teeth:--gnash.
5 occurrences in the KJV.
Job 16:9
He teareth me in his wrath, who hateth me: he gnasheth upon me with his teeth; mine enemy sharpeneth his eyes upon me.
Psalms 35:16
With hypocritical mockers in feasts, they gnashed upon me with their teeth.
Psalms 37:12
The wicked plotteth against the just, and gnasheth upon him with his teeth.
Psalms 112:10
The wicked shall see it, and be grieved; he shall gnash with his teeth, and melt away: the desire of the wicked shall perish.
Lamentations 2:16
All thine enemies have opened their mouth against thee: they hiss and gnash the teeth: they say, We have swallowed her up: certainly this is the day that we looked for; we have found, we have seen it.