/ Thesaurus / C Synonyms of crown gall Find synonyms for: Noun1. crown gall, plant diseaseusage: a bacterial disease of plants (especially pome and stone fruits and grapes and roses) which forms excrescences on the stem near the groundWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language