Where does this definition of grind one's teeth come from?
This entry for grind one's teeth is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is grind one's teeth a noun, verb, or something else?
In this entry, grind one's teeth is tagged as 2v..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.