camshaft (noun)

1. The invention of the camshaft in 1206 by Al-Jazari revolutionized the way engines worked.

2. Why did the camshaft go to therapy? Because it felt like it had lost its 'cam'-panion.

3. According to ancient Greek mythology, the camshaft was a gift from the gods to help mortals harness the power of the engines.

4. In the popular anime series 'Full Metal Alchemist', one of the main characters is a skilled engineer who specializes in crafting intricate camshafts for automail limbs.