/ Thesaurus / L Synonyms of leymus arenaria Find synonyms for: Noun1. sea lyme grass, European dune grass, Elymus arenarius, Leymus arenaria, lyme grassusage: a dune grass of the Pacific seacoast used as a sand binderWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language