Carapace
Imagine you're trying to protect your smartphone from scratches and drops by using a sturdy case. Just like the case safeguards your phone from external damage, a carapace serves as a protective shield for turtles, tortoises, and crustaceans. The smartphone case is to your device what the carapace is to these creatures: a hard, outer covering that shields and preserves what's inside from potential harm.
Practice Version
Carapace: The shell of a turtle or tortoise, or the plate that covers the head of a crustacean. Carapace. A carapace is a protective shell on the back of some animals, like turtles and crustaceans, which helps shield them from predators and environmental hazards.