noun ceph·a·lo·pod \ˈse-fə-lə-ˌpäd\

Definition of CEPHALOPOD

:  any of a class (Cephalopoda) of marine mollusks including the squids, cuttlefishes, and octopuses that move by expelling water from a tubular siphon under the head and that have a group of muscular usually sucker-bearing arms around the front of the head, highly developed eyes, and usually a sac containing ink which is ejected for defense or concealment
cephalopod adjective


ultimately from cephal- + Greek pod-, pous foot — more at foot
First Known Use: 1826

Other Invertebrates (Except Insects) Terms

anemone, quahog


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