oc·to·pod 
(ŏktə-pŏd′)
(ŏktə-pŏd′)n.
Any of various cephalopod mollusks of the order Octopoda, which includes the octopuses, having eight sucker-bearing arms.
[From New Latin Octōpoda, order name, from Greek oktōpoda, neuter pl. of oktōpous, octopus; see OCTOPUS.]
octo·pod′, oc′to·podous adj.