from The Century Dictionary and Cyclopedia
- n. A screw- or fever-vise for compressing a spring: used in assembling, as in gun-work.
- n. A vise closed by a spring, so that no more compression may be possible on the work than the maximum effort, of the spring.
- n. A vise opened by a spring when the compression of the screw is released.
Sorry, no etymologies found.