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superport

American  
[soo-per-pawrt, -pohrt] / ˈsu pərˌpɔrt, -ˌpoʊrt /

noun

  1. a deepwater port, often one built offshore, capable of accommodating very large ships, especially supertankers of 100,000 tons or more.


Etymology

Origin of superport

First recorded in 1965–70; super- + port 1