ˈsha(ˌ)kō, ˈshā(-, ˈshä(- noun
( plural shakos or shakoes )
Etymology: French shako, schako, from Hungarian csákó, probably from German zacke, zacken peak, point, from Middle High German zacke, modification of Middle Low German tacke pointed instrument, sharp point — more at tack
: a stiff military headdress with a metal plate in front, a high crown, and a plume