/ Thesaurus / S Synonyms of seed leaf Find synonyms for: Noun1. cotyledon, seed leaf, cataphyllusage: embryonic leaf in seed-bearing plantsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language