Atlantis(redirected from Atlantians)
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A legendary island in the Atlantic Ocean west of Gibraltar, said by Plato to have sunk beneath the sea during an earthquake.
(European Myth & Legend) (in ancient legend) a continent said to have sunk beneath the Atlantic Ocean west of the Straits of Gibraltar
a legendary island, first mentioned by Plato, said to have existed in the Atlantic Ocean W of Gibraltar and to have sunk beneath the sea.