View your list of saved words. (You can log in using Facebook.)
Perforated cast-iron or steel block with grooved sides, used by metalworkers for shaping their work by holding it on the work (or the work on it) and striking with a hammer or sledge. Swage blocks are used in heading bolts and swaging bars by hand.
This entry comes from Encyclopædia Britannica Concise. For the full entry on swage, visit Britannica.com.