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Meaning of superport

su•per•port

Pronunciation: (s'pur-pôrt", -pōrt"), [key]
— n.
  1. a deepwater port, often one built offshore, capable of accommodating very large ships, esp. supertankers of 100,000 tons or more.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.