/ Thesaurus / C Synonyms of calla lily Find synonyms for: Noun1. calla lily, calla, arum lily, Zantedeschia aethiopica, flowerusage: South African plant widely cultivated for its showy pure white spathe and yellow spadixWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language