/ Thesaurus / M Synonyms of meninx Find synonyms for: Noun1. meninx, meninges, membrane, tissue layerusage: a membrane (one of 3) that envelops the brain and spinal cordWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: alacrity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language