Definition of Capitol Hill in English:
 Capitol Hill
proper nounkapɪt(ə)l ˈhɪlˈkæpədl ˈhɪl
1The region around the Capitol in Washington DC.
- 1.1 Used in reference to the US Congress.
 he has made a lot of enemies on Capitol Hill with his take-no-prisoners approach to policy and abrasive manner
 
  Definition of Capitol Hill in US English:
 Capitol Hill
proper nounˈkapədl ˈhilˈkæpədl ˈhɪl
1The region around the Capitol building in Washington, DC.
- 1.1 Used in reference to the US Congress.
 he has made a lot of enemies on Capitol Hill with his take-no-prisoners approach to policy and abrasive manner