Steelie

steelie

(ˈstiːlɪ) n1. (Games, other than specified) a steel ball bearing used as a marble2. (Currencies) informal US a 1943 steel cent

Steelie

A marble-size steel ball bearing used as a marble taw. Because of their extra weight, steelies worked better than regular taws, but because they tended to chip, glass marbles were generally not allowed in games.