Definition of "grind" in English

verb

(transitive) To reduce to smaller pieces by crushing with lateral motion.
(transitive) To shape with the force of friction.
- grind a lens; grind an axe
(metalworking) To remove material by rubbing with an abrasive surface.
(intransitive) To become ground, pulverized, or polished by friction.
- This corn grinds well.
- Steel grinds to a sharp edge.
To move with much difficulty or friction; to grate.
(sports, intransitive) To slide the flat portion of a skateboard or snowboard across an obstacle such as a railing.
(transitive) To oppress, hold down or weaken.
(slang, intransitive) To rotate the hips erotically.
(slang) To dance in a sexually suggestive way with both partners in very close proximity, often pressed against each other.
(slang) To rub one's body against another's in a sexual way; to frottage.
(video games) To repeat a task a large number of times in a row to achieve a specific goal.
- These enemies give lots of loot when killed, so many players fight them to grind for resources.
- The first level of the game is the best place to grind extra lives.
- For a while I used to grind demons and try to get the count higher.
(transitive) To operate by turning a crank.
- to grind an organ
To produce mechanically and repetitively as if by turning a crank.
(computing, dated) To automatically format and indent code.
(slang, Hawaii) To eat.
- Eh, brah, let's go grind.
To instill through repetitive teaching.
- Grinding lessons into students' heads does not motivate them to learn.
(intransitive, slang) To work or study hard; to hustle or drudge.
- to grind LeetCode
(transitive, slang) To annoy or irritate (a person); to grind one's gears.

noun

The act of reducing to powder, or of sharpening, by friction.
Something that has been reduced to powder, something that has been ground.
A specific degree of pulverization of coffee beans.
- This bag contains espresso grind.
A tedious and laborious task.
- This homework is a grind.