index head

noun

variants or indexing head

: a headstock attachable to the table of a milling machine, planer, or shaper on which work may be mounted by a chuck or centers for indexing

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