noun
: one of a set of shaping dies consisting of a matrix and a punch for curling sheet metal around a wire to form a rim (as of a tinware utensil) or for making a similar rim without the wire
noun
: one of a set of shaping dies consisting of a matrix and a punch for curling sheet metal around a wire to form a rim (as of a tinware utensil) or for making a similar rim without the wire
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012