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Noun: Pillars of Hercules
  1. The two promontories (Gibraltar and Jebel Musa) at the eastern end of the Strait of Gibraltar, traditionally said to have been created by Hercules
    "The Pillars of Hercules marked the western boundary of the ancient world"

Type of: formation, geological formation

Part of: Strait of Gibraltar, Straits of Gibraltar

Encyclopedia: Pillars of Hercules, Soho