customs(n = noun.possession) custom, customs duty, impost - money collected under a tariff; Array
is a kind of duty, tariff
has particulars: ship money

1.  money collected under a tariff; a duty imposed on imported goods. [WordNet 1.5]

2.  the government department administering the collection of import tariffs. Used with as singular verb. [PJC]

3.  that area within an airport, sea port, or other border station where freight or the baggage of travellers is checked for dutiable materials or contraband; as, it took an hour to get through customs. [PJC]

bureau of customs, customs bureau, customs duty, customs service, customs union