/ Dictionary / Index M magnetic meridian: Meaning and Definition of Find definitions for: magnet'ic merid'ian Pronunciation: [key] a line on the earth's surface, passing in the direction of the horizontal component of the earth's magnetic field. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. magnetic levitation magnetic mine Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language