令箭 lìngjiàn
(1) [arrow-shaped token of authority used in the army in ancient Chinese army]∶古时军中传令用的小旗,竿上加箭头
(2) [instructions]∶上司的指示
旧时军中主将发布命令时的令旗,因它在杆头加箭镞,形状像箭,故称为「令箭」。
《薛仁贵征辽事略》:「臣得元帅令箭,只来探车驾何往?」
也称为「令旗」。
英语 arrow banner of command (archaic used as symbol of military authority), fig. instructions from one's superiors