- any crustacean of the order Decapoda, having five pairs of walking legs, including the crabs, lobsters, crayfish, prawns, and shrimps.
- any dibranchiate cephalopod having ten arms, as the cuttlefish or squid.
- a steam locomotive having a two-wheeled front truck, ten driving wheels, and no rear truck.
- belonging or pertaining to the decapods.
- having ten feet or legs.
- any crustacean of the mostly marine order Decapoda, having five pairs of walking limbs: includes the crabs, lobsters, shrimps, prawns, and crayfish
- any cephalopod mollusc of the order Decapoda, having a ring of eight short tentacles and two longer ones: includes the squids and cuttlefish
- of, relating to, or belonging to either of these orders
- (of any other animal) having ten limbs
