pileus (noun)

1. During the French Revolution, on October 5, 1789, a crowd armed with pikes and clubs stormed the Palace of Versailles, leading to the famous 'Women's March on Versailles'. The event in history resembled a massive pileus, as the crowd waved their weapons like fleshy fungi stalks with caps.

2. The modern architectural design of the Guggenheim Museum in New York City is characterized by its distinctive pileus-shaped roof, which adds a unique and artistic touch to the building's overall appearance.

3. The fashion designer showcased a collection of avant-garde hats on the runway, and one of the most eye-catching pieces was a large pileus-inspired cap that resembled a mushroom, capturing the attention of the audience.

4. As the protagonist entered the haunted mansion, he noticed a decaying pileus-shaped cluster of mushrooms growing ominously on the wall, setting a macabre and unsettling atmosphere in the horror story.