/ Thesaurus / U Synonyms of urnula craterium Find synonyms for: Noun1. Urnula craterium, urn fungus, discomycete, cup fungususage: an urn-shaped discomycete with a nearly black interiorWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language