/ Thesaurus / L Synonyms of leatherleaf fern Find synonyms for: Noun1. leather fern, leatherleaf fern, ten-day fern, Rumohra adiantiformis, Polystichum adiantiformis, fernusage: widely distributed fern of tropical southern hemisphere having leathery pinnatifid frondsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language