/ Thesaurus / B Synonyms of buffalo bur Find synonyms for: Noun1. buffalo bur, Solanum rostratum, nightshadeusage: North American nightshade with prickly foliage and racemose yellow flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language