n.
  -  
/ˈkantɒn, kanˈtɒn/
 a political or administrative subdivision of a country. ▸a state of the Swiss Confederation. 
-  
/ˈkant(ə)n/
 Heraldry  a square charge smaller than a quarter and positioned in the upper (usually dexter) corner of a shield.
Derivative
  
    
      - cantonal
 /ˈkantən(ə)l, kanˈtəʊn(ə)l/
 adj.
 
  Etymology
  C16: from OFr., lit. ‘corner’, from Provençal, rel. to med. L. cantus (see cant2).