A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use.
A shining area on the frons of many species of Tabanomorpha (horse flies and relatives).
The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistency, but is ultimately converted into true bone and unites the fragments into a single piece.
The new formation over the end of a cutting, before it puts out rootlets.
To form such hardened tissue.
The act of reducing to powder, or of sharpening, by friction.
A traditional communal pilot whale hunt in the Faroe Islands.
A specific degree of pulverization of coffee beans.
A tedious and laborious task.
Something that has been reduced to powder, something that has been ground.
A grinding trick on a skateboard or snowboard.
Hustle; hard work.
To instill through repetitive teaching.
To oppress, hold down or weaken.
To produce mechanically and repetitively as if by turning a crank.
To become ground, pulverized, or polished by friction.
To move with much difficulty or friction; to grate.
To remove material by rubbing with an abrasive surface.
To repeat a task a large number of times in a row to achieve a specific goal.
To operate by turning a crank.
To shape with the force of friction.
To rotate the hips erotically.
To reduce to smaller pieces by crushing with lateral motion.
To annoy or irritate (a person); to grind one's gears.
To eat.
To slide the flat portion of a skateboard or snowboard across an obstacle such as a railing.
To dance in a sexually suggestive way with both partners in very close proximity, often pressed against each other.
To work or study hard; to hustle or drudge.