octopod

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a cephalopod with eight arms but lacking an internal shell
• Hypernyms:
cephalopod, cephalopod mollusk
• Hyponyms:
octopus, devilfish, paper nautilus, nautilus, Argonaut, Argonauta argo
• Member Holonyms:
Octopoda, order Octopoda