A device emblematic of union, used on a national flag or ensign, sometimes, as in the military standard of Great Britain, covering the whole field; sometimes, as in the flag of the United States, and the English naval and marine flag, occupying the upper inner corner, the rest of the flag being called the fly. Also, a flag having such a device; especially, the flag of Great Britain.
A part of the flag which represents the union of countries, states, or people. The canton of the U.S. flag uses fifty stars representing states to represent unity.
is a design that symbolizes unity. It may appear in the canton, as the stars do in the U.S. flag. Or it may be the entire flag, as in the Union Flag of the United Kingdom.