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Giant's Causeway
noun
- a large body of basalt, unusual in displaying perfect columnar jointing, exposed on a promontory on the northern coast of Northern Ireland.
Giant's Causeway
noun
- a promontory of columnar basalt on the N coast of Northern Ireland, in Antrim: consists of several thousand pillars, mostly hexagonal, that were formed by the rapid cooling of lava and the inward contraction of the lava flow
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Word History and Origins
Origin of Giant's Causeway1
First recorded in 1770–80
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[gal-uh-maw-free ]
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