The Collaborative International Dictionary of English v.0.48:
Casuarius \Casuarius\ n. the type and sole genus of the Casuaridae; the cassowaries. Syn: genus Casuarius. [WordNet 1.5]WordNet (r) 3.0 (2006):
Casuarius n 1: type and sole genus of the Casuaridae: cassowaries [syn: Casuarius, genus Casuarius]