- Barnacles and crabs, say - Crabs, lobsters, prawns - One of the classes of the arthropods, including
lobsters and crabs; -- so called from the crustlike shell with which
they are covered.
- The stalk-eyed Crustacea, -- an order of
Crustacea having the eyes supported on movable stalks. It includes the
crabs, lobsters, and prawns. Called also Podophthalmata, and Decapoda.