any of a class (Cephalopoda) of marine mollusks having a distinct head with highly developed eyes, varying numbers of arms, with suckers, attached to the head about the mouth, and a saclike fin-bearing mantle, as an octopus, squid, or cuttlefish
Any of various marine mollusks of the class Cephalopoda, such as the octopus, squid, cuttlefish, or nautilus, having a large head, large eyes, prehensile tentacles, and, in most species, an ink sac containing a dark fluid used for protection or defense.
Of, relating to, or belonging to the class Cephalopoda.
Origin: From New Latin Cephalopoda, class name : cephalo- + -poda, -pod.
Any of various marine mollusks of the class Cephalopoda, having long tentacles around the mouth, a large head, a pair of large eyes, and a sharp beak. Cephalopods have the most highly developed nervous system of all invertebrates. Many cephalopods squirt a cloud of dark inky liquid to confuse predators. Cephalopods include the octopus, squid, cuttlefish, and nautilus, and the extinct ammonites, belemnites, and other nautiloids.