Decapoda

For other meanings of decapod, see decapod. The decapods or Decapoda are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crayfish, crabs, lobsters, prawns and shrimp. Most decapods are scavengers.
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Noun
1. lobsters; crayfish; crabs; shrimps; prawns
(synonym) order Decapoda
(hypernym) animal order
(member-holonym) Malacostraca, subclass Malacostraca
(member-meronym) decapod crustacean, decapod
2. squids and cuttlefishes
(synonym) order Decapoda
(hypernym) animal order
(member-holonym) Dibranchiata, subclass Dibranchiata, Dibranchia, subclass Dibranchia
(member-meronym) decapod

(n. pl.)
The order of Crustacea which includes the shrimps, lobsters, crabs, etc.
  

(n. pl.)
A division of the dibranchiate cephalopods including the cuttlefishes and squids. See Decacera.