The Collaborative International Dictionary of English v.0.48:
Casuaridae \Casuaridae\ n. a natural family of large ostrichlike birds; the cassowaries. Syn: family Casuaridae. [WordNet 1.5]WordNet (r) 3.0 (2006):
Casuaridae n 1: a family of large ostrich-like birds including cassowaries [syn: Casuaridae, family Casuaridae]