order Decapoda or·der·de·capoda uncommon noun 1. lobsters; crayfish; crabs; shrimps; prawns SynonymsDecapodaorder Decapoda 2. squids and cuttlefishes SynonymsDecapodaorder Decapoda Related words Broader terms animal order Parts DibranchiataMalacostraca Part of decapodgenus Loligogenus Ommastrephesgenus ArchiteuthisSepiidaeSpirulidaedecapod crustaceanReptantia WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.