Machine-shop frame

• Screw-cutting apparatus
• A device that holds the dies that cut external threads on metal cylinders

WordNet Word definitions in WordNet
n. a device that holds the dies that cut external threads on metal cylinders

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Diestock \Die"stock`\, n. A stock to hold the dies used for cutting screws.

Wiktionary Word definitions in Wiktionary
n. A component that holds a die that cuts screw threads