/ Thesaurus / H Synonyms of holothuridae Find synonyms for: Noun1. Holothuridae, family Holothuridae, echinoderm familyusage: a family of HolothuroideaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language