/ Thesaurus / S Synonyms of spinach plant Find synonyms for: Noun1. spinach, spinach plant, prickly-seeded spinach, Spinacia oleracea, vegetableusage: southwestern Asian plant widely cultivated for its succulent edible dark green leavesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: laudable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language