牙旗 Traditional form: 牙旗 Pinyin (reading): yáqí Definitions: emperor's or general's banner erected on an ivory-tipped pole at a military camp or headquarters (in ancient times) Characters: 牙 - tooth, molar; fang, tusk; serrated 旗 - banner, flag, streamer Traditional characters: 牙 - tooth, molar; fang, tusk; serrated 旗 - banner, flag, streamer