customsplural noun
us/ˈkʌs·təmz/money paid to the government when you take particular goods from one country to another
customsnoun [ U ]
us/ˈkʌs·təmz/the place at a port, airport, or border where travelers’ bags are examined for illegal or taxable goods:
customs officials
It took us ages to get through customs when we got back from Italy.