shako/ˈʃeɪkəʊ/EtymologyBorrowed from French shako, from Hungarian csákó (“cylindrical military dress hat worn by the Hungarian hussars from the 18th century to World War I”).nounA stiff, cylindrical military dress hat with a metal plate in front, a short visor, and a plume.A bearskin or busby.The squilla or mantis shrimp.