noun
dog
A mechanical device that grips or holds something in place.
The bench dog holds the board firmly while she planes it.
Etymology
The device name borrows the animal’s gripping bite. A mechanical dog catches or holds another part as teeth hold an object in a firm grip.
More examples
- Adjust the dog before cutting.
- The mechanism uses a locking dog.
- Two dogs grip the workpiece.
Forms
dog · dogs
Similar words
- clamp
- Usually presses parts together rather than using a catching tooth.