/ Thesaurus / A Synonyms of acacia catechu Find synonyms for: Noun1. catechu, Jerusalem thorn, Acacia catechu, acaciausage: East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechuWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language