Giant's Causeway in Northern Ireland.Licensed from iStockPhoto
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
headland in N Northern Ireland, consisting of thousands of small, vertical basaltic columns: c. 3 mi (4.8 km) long
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A basaltic formation on the northern coast of Northern Ireland. It consists of thousands of columns of volcanic origin forming three natural platforms. According to legend, it was once a bridge for giants crossing between Ireland and Scotland.