/ Thesaurus / F Synonyms of family casuaridae Find synonyms for: Noun1. Casuaridae, family Casuaridae, bird familyusage: a family of large ostrich-like birds including cassowariesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language