Castor and Pollux

plural noun Classical Mythology.

twin sons of Leda and brothers of Helen, famous for their fraternal affection and regarded as the protectors of persons at sea.

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British Dictionary definitions for castor and pollux

Castor and Pollux

noun

classical myth the twin sons of Leda: Pollux was fathered by Zeus, Castor by the mortal Tyndareus. After Castor's death, Pollux spent half his days with his half-brother in Hades and half with the gods in Olympus

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