brittle-star (noun)

1. In the anime, the main character befriends a mythical brittle-star with magical powers.

2. The documentary about marine life featured incredible footage of a brittle-star gracefully moving along the ocean floor.

3. During the prehistoric era, the oceans were inhabited by various species of brittle-stars.

4. In the fantasy novel, the protagonist discovers a hidden kingdom ruled by giant brittle-stars.