noun
prohibited article; contraband
Refers to items that are banned by law or regulation, such as in customs, airports, or institutional rules.
空港で禁止品を持っていないか確認された。
I was checked at the airport for prohibited items.
このイベントでは、危険物はすべて禁止品です。
At this event, all dangerous items are prohibited.
Compound of 禁止 (prohibition) + 品 (article, goods).