/ Dictionary / Index S spaceport: Meaning and Definition of Find definitions for: space•port Pronunciation: (spās'pôrt", -pōrt"), [key] — n. a site at which spacecraft are tested, launched, sheltered, maintained, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. space platform space probe Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language