from the GNU version of the Collaborative International Dictionary of English
- A conical rifle bullet, with a cavity in its base plugged with a piece of iron, which, by the explosion of the charge, is driven farther in, expanding the sides to fit closely the grooves of the barrel.
Sorry, no etymologies found.
In the meantime I had received a very severe wound in the shoulder from a minie ball and my horse had been very badly shot, having one of his eyes knocked out.
Whatever his fate, whether he had taken a minie ball to his hinder parts or lit out for the western territories, he had left Ruby high and dry.