decapod(redirected from decapodan)
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1. Any of various crustaceans of the order Decapoda, characteristically having five pairs of walking legs attached to the thorax and three pairs of maxillipeds used for feeding, and including the crabs, lobsters, and shrimps.
2. Any of various cephalopod mollusks having eight arms and two tentacles, and including the squids and cuttlefishes.
de·cap′o·dan (dĭ-kăp′ə-dən), de·cap′o·dous (-dəs) adj.
- any crustacean of the largely marine order Decapoda, having five pairs of walking limbs, including the crabs, lobsters, shrimps, prawns and crayfish.
- any cephalopod mollusc of the order Decapoda, having a ring of eight short tentacles and two long ones, including the squids and cuttlefish.