atlantides

from The Century Dictionary.

• A name given to the Pleiades, which were fabled to be the seven daughters of Atlas who were translated to heaven.
• The inhabitants of the legendary island of Atlantis.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural The Pleiades or seven stars, fabled to have been the daughters of Atlas.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun (Greek mythology) group of 3 to 7 nymphs who guarded the golden apples that Gaea gave as a wedding gift to Hera