Meanings (ES + gloss)
apretar
Apparently only in grit one's teeth: to clench, particularly in reaction to pain or anger.
He has a sleeping disorder and grits his teeth.
We had no choice but to grit our teeth and get on with it.
crujir
To give forth a grating sound, like sand under the feet; to grate; to grind.
The sanded floor that grits beneath the tread
Phrases