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Meaning of Castor and Pollux

Cas'tor and Pol'lux

Pronunciation: [key]
— Class. Myth. Class. Myth.
  1. twin sons of Leda and brothers of Helen, famous for their fraternal affection and regarded as the protectors of persons at sea.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.