octopod /ˈɑktoʊpɑd/noun 3adjective 2forms 1 noun3 •Any animal with eight feet or foot-like parts. •Any cephalopod molluscs of the order Octopoda. •A railway locomotive with eight wheels.… Virginia saw the big octopod engine clamoring up the grade, … — 1905 adjective2 •Having eight feet or foot-like parts.The Arachnidans (Arachnida, Spiders, Scorpions, &c.), are octopod and apterous; […] — 1835 •Of or relating to the order Octopoda of cephalopod molluscs; octopoid.The octopod genus Amphitretus has thus far been known only through a single specimen collected by the “Challenger” and described by [William Evans] Hoyle. — 1903 formsoctopods