1) Class 2) Class cephalopoda 
• (n. pl.) The highest class of Mollusca.
Ceph`a·lop'o·da noun plural [ New Latin , gr. Greek 
Cephalopoda is a class of Phylum mollusca. They are the squids and octopuses. They are the highest in organization in that division of the animal kingdom, characterized by having the organs of prehension and locomotion, called tentacles or arms, attached to the head. The arms are furnished with numerous suckers, and enable them to cling to and enta...
[n] - octopuses
class Cephalopoda noun octopuses; squids; cuttlefish; pearly nautilus