n. flag or banner, especially the national flag, or a banner indicating nationality, carried by a ship or a body of soldiers
The ensign of the United States is Stars and Stripes.
Sentence in Classic:
He therefore who commands an army or governs a city wherein tumult shall have broken out, ought to assume the noblest and bravest bearing he can, and clothe himself with all the ensigns of his station, that he may make himself more revered.
Discourses on the First Decade of Titus Livius By Niccolo Machiavelli Context