1. a government building where customs duties are collected and where imported goods are examined

Examples

• The ship’s cargo was inspected at the customshouse before being released.
• Merchants had to pay their duties at the old customshouse near the harbor.
• The historic customshouse now serves as a museum.
• All imported goods must pass through the customshouse.
• The customshouse officer examined our luggage carefully.
• They built a new customshouse to handle increased trade volume.