/ Thesaurus / M Synonyms of merostomata Find synonyms for: Noun1. Merostomata, class Merostomata, arthropodusage: used in some classifications; includes the orders Xiphosura and EurypteridaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language