a type of mollusc with a combined head and body and large eyes. Cephalopods have arms and/or tentacles (= long thin parts like arms), which may have suckers (= round parts that enable them to stick to a surface) on them. octopus and squid are cephalopods. 头足类，头足纲动物（如章鱼和乌贼） 
Word Originmodern Latin (plural), from Greek kephalē ‘head’ + pous, pod- ‘foot’.
