Plural of cassocany . It is the name of an Australian and New Guinean non-flying bird that has a leathery plume on its head, similar to a helmet. There are three species and belong to the family Casuariidae.
casuaries-refers to the term : bird genus composed of three species that are distributed in Australia and New Guinea; are solitary non-flying birds, of black plumage formed by rough feathers that sometimes end in filaments similar hairs-