GRIND
Grind
The grind of a blade refers to the shape of the cross-section of the blade. It is distinct from the type of blade, though different tools and blades may have lent their name to a particular grind.The above text is a snippet from Wikipedia: Grind
and as such is available under the Creative Commons Attribution/Share-Alike License.
grind
Noun
- The act of reducing to powder, or of sharpening, by friction.
 - A specific degree of pulverization of coffee beans.
- This bag contains espresso grind.
 
 - A tedious task.
- This homework is a grind.
 
 - A grinding trick on a skateboard or snowboard.
 - One who studies hard; a swot.
 
Verb
(see usage notes below)
- To reduce to smaller pieces by crushing with lateral motion.
 - To shape with the force of friction.
- grind a lens
 - grind an axe
 
 - To remove material by rubbing with an abrasive surface.
 - 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.
 - To slide the flat portion of a skateboard or snowboard across an obstacle such as a railing.
 - To oppress, hold down or weaken.
 - To rotate the hips erotically.
 - To dance in a sexually suggestive way with both partners in very close proximity, sometimes pressed against each other.
 - To repeat a task in order to gain levels or items.
 - To produce mechanically and repetitively as if by turning a crank.
 - To instill through repetitive teaching.
- Grinding lessons into students' heads does not motivate them to learn.
 
 - To eat.
- Eh, brah, let's go grind.
 
 - To work or study hard; to hustle or drudge.
 
The above text is a snippet from Wiktionary: grind
and as such is available under the Creative Commons Attribution/Share-Alike License.