capitol

noun
1
the building in Washington DC where the US Congress (= the national parliament) meets to work on new laws
ساختمان کنگره ایالات متحده
2
a building in each US state where politicians meet to work on new laws
ساختمان مجلس قانون‌گذاری, ساختمان مجلس ایالتی
the California state capitol