|1.||any crustacean of the mostly marine order Decapoda, having five pairs of walking limbs: includes the crabs, lobsters, shrimps, prawns, and crayfish|
|2.||any cephalopod mollusc of the order Decapoda, having a ring of eight short tentacles and two longer ones: includes the squids and cuttlefish|
|3.||of, relating to, or belonging to either of these orders|
|4.||(of any other animal) having ten limbs|
|a gadget; dingus; thingumbob.|
|a chattering or flighty, light-headed person.|
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