Crab
Context
A crustacean with a broad, flat body and pincers, found in oceans, freshwater, and on land
Explanation
A diverse group of crustaceans known for their sideways walk, pincers, and occurring in various habitats from beaches to deep sea vents
Applications
Crabs are often caught for their meat, a popular seafood.
The hermit crab uses discarded shells as its home.
Crab migration on some islands is a spectacular sight.