Fingal's Cave, a remarkable cave of basaltic formation on the coast of the Isle of Staffa (q.v.); entrance to the cave is effected in boats through a natural archway 42 ft. wide and 66 ft. high, and the water fills the floor of this great hall to a distance of 227 ft.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Fingal * Finisterre