ensign

n. 1 banner or flag, esp. The military or naval flag of a nation. 2 standard-bearer. 3 a hist. Lowest commissioned infantry officer. B us lowest commissioned naval officer. [french: related to *insignia]

n. A flag; a banner; a standard; esp., the national flag, or a banner indicating nationality, carried by a ship or a body of soldiers; -- as distinguished from flags indicating divisions of the army, rank of naval officers, or private signals, and the like.