衔枚

xiánméi

[(in ancient times) have the soldiers keep sth.like a stick in their mouth to prevent them from making noise in a secret move] 古代军队秘密行动时, 让兵士口中横衔着枚(像筷子的东西), 防止说话, 以免敌人发觉

徒衔枚而进。 --《周礼·夏官·大司马》

章邯夜衔枚击项梁定陶。 --《汉书·高帝纪》

衔枚疾走