grind

To reduce to smaller pieces by crushing with lateral motion.transitive

To shape with the force of friction.transitive

• grind a lens; grind an axe

To remove material by rubbing with an abrasive surface.

To become ground, pulverized, or polished by friction.intransitive

• This corn grinds well.
• Steel grinds to a sharp edge.

To move with much difficulty or friction; to grate.

To slide the flat portion of a skateboard or snowboard across an obstacle such as a railing.intransitive

To oppress, hold down or weaken.transitive

To rotate the hips erotically.intransitiveslang

• She said, "How'd you like to waste some time?" / And I could not resist when I saw little Nikki grind

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.slang

• She wanted to grind herself against him, wanted to moan, loud and free, wanted to take his hand and make him touch her more firmly.
• He ground against her until he was muttering curses, his kiss rougher than before.

The act of reducing to powder, or of sharpening, by friction.countableuncountable

Something that has been reduced to powder, something that has been ground.countableuncountable

A specific degree of pulverization of coffee beans.countableuncountable

• This bag contains espresso grind.

A tedious and laborious task.countableuncountable

• This homework is a grind.

A grinding trick on a skateboard or snowboard.countableuncountable

One who studies hard.archaiccountableslang

• If you are at all bright, don't be a grind. Grinding may make a second-hand genius of you (for all the real things are dead), and if you become a genius you will be sure to smoke dope or swallow laudanum. They all did it.
• […] I suppose I don't know much about books, compared with you—” “Oh, I was never much of a grind,” the other cut in hastily.

Clipping of grindcore (“subgenre of heavy metal”).abbreviationalt-ofclipping

Hustle; hard work.slanguncountable

• I've been on the grind all week, trying to make ends meet.

A traditional communal pilot whale hunt in the Faroe Islands.