Ailsa Craig, a rocky islet of Ayrshire, 10 m. NW. of Girvan, 2 m. in circumference, which rises abruptly out of the sea at the mouth of the Firth of Clyde to a height of 1114 ft.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Ailly, Pierre d' * Aimard, Gustave