/ Thesaurus / K Synonyms of kaffir boom Find synonyms for: Noun1. kaffir boom, Transvaal kafferboom, Erythrina lysistemon, coral tree, erythrinausage: small semi-evergreen tree of South Africa having dense clusters of clear scarlet flowers and red seeds2. kaffir boom, Cape kafferboom, Erythrina caffra, coral tree, erythrinausage: small semi-evergreen broad-spreading tree of eastern South Africa with orange-scarlet flowers and small coral-red seeds; yields a light soft wood used for fence posts or shinglesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language