1. to fit together by having the projecting parts of one thing fit into the spaces of another
2. to become closely connected or coordinated

Examples

• The gears intermesh perfectly to transfer power from the engine.
• The zipper teeth intermesh when you pull the slider up.
• The two departments need to intermesh their operations for better efficiency.
• The puzzle pieces intermesh to form a complete picture.
• The company’s various divisions intermesh to create a unified strategy.
• The mechanical parts intermesh smoothly without any grinding noise.