arr.

I don't think you'd come ashore ag'in, on the arr'nd that brought you here afore.

Now thin, don't be gaping at the jury, sir; why arrn't you respectful and keep your eye on his lordship?

In the north of England "ar" or "arr" is still used for a mark.

And your father, good little Hetty—and Hurry; did they know of your arr'nd?