exoskeleton
🇺🇸
/ˈeksəʊskelɪtn/
🇬🇧
/ˈeksəʊskelɪtn/
A hard covering on the outside of some animals' bodies.
The beetle has a tough exoskeleton that shields it from predators.
A wearable machine that helps people move more easily.
The injured worker used an exoskeleton to help him lift heavy objects with less effort.