✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

Giant's Causeway

geographical name

formation of prismatic basaltic columns on the northern coast of Moyle, Northern Ireland

Browse Nearby Words

Cite this Entry

“Giant's Causeway.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Giant%27s%20Causeway. Accessed 1 Dec. 2025.

More from Merriam-Webster on Giant's Causeway

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!