/ Thesaurus / J Synonyms of jelly roll morton Find synonyms for: Noun1. Morton, Jelly Roll Morton, Ferdinand Joseph La Menthe Mortonusage: United States jazz musician who moved from ragtime to New Orleans jazz (1885-1941)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language