casoarcommon nounSyllable DecompositioncasoarEtymologyexpandfrom English cassawarway.Definitions1. A large flightless bird that lives in the Indonesian archipelago and Australia, with a head covered with a bony casque and hair-like plumage.ornithologieexpand2. A plume that adorns the shako (military cap) of students at the École Spéciale Militaire de Saint-Cyr.expandPluralcasoarsHyperonymsoiseaupaléognathestruthioniformecasuariidéTranslationsgerman:Kasuarenglish:cassowaryspanish:casuarioitalian:casuariodutch:kasuarisrussian:казуар