/ Dictionary / Index R Rabaul: Meaning and Definition of Find definitions for: Ra•baul Pronunciation: (rä-boul', ru-, rä'boul), [key] — n. a seaport on NE New Britain island, in the Bismarck Archipelago, Papua New Guinea. 21,453. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rabato Rabbah Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language