An inhabitant of the mythical island of Atlantis. / A pillar or statue in the form of an architectural atlas.

Of or like the Greek titan Atlas, who carries the heavens on his shoulders, as in Atlantean strength / (figuratively) Of the celestial spheres carried by Atlas

The language supposedly spoken by the inhabitants of Atlantis. / A constructed language invented for the 2001 animated film Atlantis: The Lost Empire.

plural of Atlantean