cogwheel (noun)

1. The old mansion had a mysterious cogwheel hidden in its basement, which was rumored to have supernatural powers and brought terror to anyone who touched it.

2. The fashion designer incorporated small cogwheels into the design of her avant-garde dress, creating a unique and edgy look on the runway.

3. In the steampunk novel, the protagonist discovered a cogwheel hidden within an ancient artifact, which held the key to unlocking a hidden world.

4. The main character in the anime possessed a magical watch with cogwheels, allowing them to travel through time and space to different dimensions.