Drongs, a curious insulated rock in Northmaven parish, Shetland, at the back of Hillswick Ness. Rising almost sheer from the water to a height of 100 feet, it is cleft in three places nearly to the bottom, and, seen through a fog or at a distance, resembles a ship under sail.

(F.H. Groome, Ordnance Gazetteer of Scotland (1882-4); © 2004 Gazetteer for Scotland)