/ Dictionary / Index P Port Jackson: Meaning and Definition of Find definitions for: Port" Jack'son Pronunciation: [key] an inlet of the Pacific in SE Australia: the harbor of Sydney. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. portioner Portland Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language