A kitchen utensil that uses rotating blades to beat eggs.
A swimming stroke involving alternating kicks.
An outboard motor.
A helicopter.
A device for cutting meat into very small pieces.
An activity with a high casualty or attrition rate, such as a military battle or an occupational or athletic activity.
The mountainous second day of the race was a real meatgrinder, with 20% of racers dropping out.
A process that is likely to be injurious in a non-physical way.