noun. cephalopods having eight short tentacles plus two long ones.
- cephalopod mollusk
- Spirula peronii
noun. crustaceans characteristically having five pairs of locomotor appendages each joined to a segment of the thorax.
- hermit crab
- decapod crustacean
- tropical prawn
Example sentences of the word decapod
Lobsters are a decapod crustacean that live in saltwater.
2. Noun, singular or mass
Dungeness crab is, according to the Alaska Department of Fish and Game, a decapod related to shrimp, lobster and other crabs such as the Redrock crab.