/ Thesaurus / S Synonyms of spider fern Find synonyms for: Noun1. ribbon fern, spider fern, Pteris serrulata, fernusage: fern of North Africa and Azores and Canary Islands2. spider brake, spider fern, Pteris multifida, fernusage: Asiatic fern introduced in AmericaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language