os ischii (noun)

1. During the ceremony, the priest invoked the power of the os ischii to heal the sick.

2. In the futuristic world of the novel, humans have enhanced os ischii that enable them to jump greater distances.

3. The designer created a unique dress with intricate patterns inspired by the intricate structure of the os ischii.

4. In the action-packed movie scene, the hero suffered a gunshot wound near his os ischii, but continued to fight against the villains.