1. put together or assembled beforehand, typically in a factory before being sold or delivered

Examples

• The preassembled furniture arrived ready to use.
• We bought a preassembled computer to save time.
• The preassembled parts made construction much faster.
• Most smartphones come with preassembled components.
• The preassembled bookshelf just needed to be unpacked.
• Preassembled meals are popular with busy families.