/ Dictionary / Index P Pusan: Meaning and Definition of Find definitions for: Pu•san Pronunciation: (p'sän'), [key] — n. a seaport in SE South Korea. 2,454,051. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pusan (Thesaurus) pus Pusey Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language