Source : Webster's Revised Unabridged Dictionary (1913)

Cephalopod \Ceph"a*lo*pod\, Cephalopode \Ceph"a*lo*pode\, n.
   (Zo["o]l.)
   One of the Cephalopoda.

Source : WordNet®

cephalopod
     adj : relating or belonging to the class Cephalopoda [syn: {cephalopodan}]

cephalopod
     n : marine mollusk characterized by well-developed head and eyes
         and sucker-bearing tentacles [syn: {cephalopod mollusk}]