noun, punctuation, adjective, modal particle · a piece of cloth used as a symbol or signal; a banner

裁判挥动手中的绿旗，表示比赛正式开始。

noun · an administrative subdivision in Inner Mongolia equivalent to a county

这个旗的面积非常广阔。

noun

红旗在风中飘扬。

noun · referring to the military and social administrative divisions (Eight Banners) of the Qing Dynasty or the Manchu people

他家是正黄旗的。