- an iron block containing holes and grooves of various sizes, used for heading bolts and shaping objects not easily worked on an anvil.
Origin of swage block
First recorded in 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an iron block cut with holes, recesses, and grooves to assist in the cold-working of metal