/ Thesaurus / B Synonyms of buckler mustard Find synonyms for: Noun1. buckler mustard, Biscutalla laevigata, shrub, bushusage: plant of southeastern Europe having yellow flowers like those of mustard and pods with open valves resembling bucklersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language