traversing screw jack

noun

variants or traversing jack

: a screw jack that besides the raising and lowering device has a base piece with a slideway along which the jack proper can be traversed

called also swing jack

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now