Bedeutung von “grind” — Learner’s Dictionary

grind

verb [ T ] us uk /ɡraɪnd/ past tense and past participle ground
MAKE INTO POWDER

to keep rubbing something between two rough, hard surfaces until it becomes a powder:

to grind coffee
MAKE SHARP

to rub a blade against a hard surface to make it sharp

grind your teeth

to rub your teeth together, making an unpleasant sound

See also

(Definition von “grind verb” aus dem Cambridge Learner's Dictionary © Cambridge University Press)