/ Thesaurus / G Synonyms of genus holothuria Find synonyms for: Noun1. Holothuria, genus Holothuria, echinoderm genususage: type genus of the HolothuridaeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language