gnash
verb (used with object)
to grind or strike (the teeth) together, especially in rage or pain.
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He has gnashed on me with his teeth.
From The World English Bible (WEB): Job by Anonymous