1. paired or coupled together; existing as a matched pair
2. describing cities or towns that have formed an official partnership

1. past tense and past participle of twin; paired or coupled something with another

Examples

• The twinned towers stood majestically on either side of the entrance.
• Our city is twinned with a small town in France.
• The architect twinned the buildings to create perfect symmetry.
• The twinned crystals formed naturally in the cave.
• They twinned the schools to promote cultural exchange.
• The twinned columns supported the ancient temple.
• Boston is twinned with several international cities.