Wiktionary
bastle
n. (context obsolete English) A medieval fortified house, in northern England and the Scottish borders
Wikipedia
Usage examples of "bastle".
If thee had far-speaks, thou couldst talk to Gobby when he was in his bastle house, and thou wast in thy tower.
The next morning, Gobby, with his two younger sons, Wat and Ingram, and a small party of men, rode into the tower from his neighboring bastle house.
It was a fine home for a bordererno bastle house, but still, a large cottage.