any large flightless bird of the genus Casuarius, inhabiting forests in NE Australia, New Guinea, and adjacent islands, having a horny head crest, black plumage, and brightly coloured neck and wattles: order Casuariiformes
See also ratite
Word origin
C17: from Malay kěsuari
cassowary in American English
(ˈkæsəˌwɛri)
nounWord forms: pluralˈcassoˌwaries
any of a family (Casuariidae) of large, flightless birds of Australia and New Guineawith a brightly colored, featherless neck and head: with the larger emus, they form a unique order (Casuariiformes) distinct from rheas and ostriches