/ Dictionary / Index M Magellanic cloud: Meaning and Definition of Find definitions for: Mag'ellan'ic cloud' Pronunciation: [key] either of two irregular galactic clusters in the southern heavens that are the nearest independent star system to the Milky Way. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Magellan barberry Magen David Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language