Breadcrumb Home > Thesaurus > D Synonyms of dioon Find synonyms for: Noun 1. dioon, cycad usage: any cycad of the genus Dioon; handsome palmlike cycads with robust crowns of leaves and rugged trunks WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of dioon (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: irascible Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language