Definitions
1.nounA division of a political unit.
2.nounA small community or clan.
3.nounA subdivision of a flag, the rectangular inset on the upper hoist (i.e., flagpole) side (e.g., the stars of the US national flag are in a canton).
4.nounA division of a shield occupying one third of the chief, usually on the dexter side, formed by a perpendicular line from the top meeting a horizontal line from the side.
5.nounA song or canto.