[deca.pod] n [NL Decapoda, order name] (1836) 1: any of an order (Decapoda) of crustaceans (as shrimps, lobsters, and crabs) with five pairs of thoracic appendages one or more of which are modified into pincers, with stalked eyes, and with the head and thorax fused into a cephalothorax and covered by a carapace
2: any of the cephalopod mollusks (orders Sepioidea and Teuthoidea) with
10. arms including cuttlefishes, squids, and related forms -- decapod adj -- de.cap.o.dan adj or n -- de.cap.o.dous adj