fenestra ovalis (noun)

1. In the anime series, the protagonist had a medical condition that affected the fenestra ovalis in their ear, causing hearing loss.

2. The architect designed the room with large windows, and the centerpiece was the fenestra ovalis, allowing natural light to fill the space.

3. In the superhero comic, the villain's powerful sound wave attack shattered the fenestra ovalis of the hero, rendering them temporarily deaf.

4. In the novel, the main character's journey began when they discovered a hidden entrance behind an ancient wall adorned with a symbolic fenestra ovalis.