casket

Concise Oxford English Dictionary © 2008 Oxford University Press:
casket/ˈkɑːskɪt/

▶noun a small ornamental box or chest for holding valuable objects.

■ Brit. a small wooden box for cremated ashes.

■ chiefly N. Amer. a coffin.

– origin ME: perh. an Anglo-Norman Fr. form of OFr. cassette, dimin. of casse (see case2).