Main Entry: ceph·a·lo·pod

Pronunciation: \ˈse-fə-lə-ˌpäd\

Function: noun

Etymology: ultimately from cephal- + Greek pod-, pous foot — more at foot

Date: 1826

: 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