/ Dictionary / Index S superport: Meaning and Definition of Find definitions for: su•per•port Pronunciation: (s'pur-pôrt", -pōrt"), [key] — n. 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. superplastic superpose Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language