1. a crustacean with ten legs, such as a crab, lobster, or shrimp
Usage: zoological

Examples

• The lobster is a well-known decapod found in coastal waters.
• Crabs are decapods that walk sideways on their ten legs.
• The marine biology class studied various decapods including shrimp and crayfish.
• Decapods are important both ecologically and as seafood sources.
• The aquarium’s touch tank featured several species of decapods.
• Scientists classify prawns as decapods due to their ten-limbed structure.