1. swage - Noun
2. swage - Verb
See Assuage.
A tool, variously shaped or grooved on the end or face, used by blacksmiths and other workers in metals, for shaping their work, whether sheet metal or forging, by holding the swage upon the work, or the work upon the swage, and striking with a sledge.
To shape by means of a swage; to fashion, as a piece of iron, by forcing it into a groove or mold having the required shape.
Source: Webster's dictionaryA reamer or a swage is used to remove both these styles of crimp, whether ring crimps or stab crimps. Source: Internet
Purchased Bullets Handloaders have the choice to swage but most choose to purchase pre-made jacketed bullets, due to the obscure nature of swaging and the specialized, expensive equipment. Source: Internet