/ Thesaurus / M Synonyms of magnetic meridian Find synonyms for: Noun1. magnetic meridian, meridian, line of longitudeusage: an imaginary line passing through both magnetic poles of the EarthWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language