/ Dictionary / Index S seaport: Meaning and Definition of Find definitions for: sea•port Pronunciation: (sē'pôrt", -pōrt"), [key] — n. a port or harbor on or accessible to a seacoast and providing accommodation for seagoing vessels. a town or city at such a place. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: seaport (Thesaurus) sea poppy sea power Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language