/ Dictionary / Index M middle passage: Meaning and Definition of Find definitions for: mid'dle pas'sage Pronunciation: [key] the part of the Atlantic Ocean between the west coast of Africa and the West Indies: the longest part of the journey formerly made by slave ships. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Middle Paleolithic Middle Path Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language