but my words stopt him and he laughed—as I remember that I laughed when I ran Angus Macalister through the sword-arm last August, because he said that Mrs. Vansuythen was no better than she should be.
This is from "The Dream of Duncan Parrenness" by Rudyard Kipling.
I don't understand the meaning of---
I ran Angus Macalister through the sword-arm
I am glad if someone would kindly teach me.