Catrail, an old Roman earthwork, 50 m. long, passing S. from near Galashiels, through Selkirk and Roxburgh, or from the Cheviots; it is known by the name of the “Devil's Dyke.”
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Cato-Street Conspiracy * Cats, Jacob