steelie
/ˈstili/
noun
- A small ball bearing made of steel, used as a playing marble in games.
- He won the game by knocking out my favorite steelie with his shooter.
- She carefully aimed her steelie at the cluster of marbles in the circle.
- The kids traded colorful glass marbles for a single shiny steelie.
- A marble that is made of steel rather than glass or clay.
- Unlike glass marbles, a steelie is heavier and rolls faster.
- The antique shop sold a set of steelies from the 1950s.
- My grandfather still has a collection of steelies from his childhood.