1. fitting together closely or connecting with each other

1. the action of fitting or connecting things together

Examples

• The puzzle pieces have interlocking edges that fit perfectly together.
• The company has an interlocking system of departments that work closely together.
• The interlocking of the gears ensures smooth operation of the machine.
• She built a wall using interlocking bricks that didn’t require mortar.
• The interlocking branches created a natural canopy overhead.
• The software features interlocking security measures to protect user data.
• The interlocking of these two systems took months to complete.