Octopus

n. carnivorous eight-legged sea creature with a large soft head and two rows of suckers on the underside of each leg (usually lives on the bottom of the ocean)

The octopus (Greek , 'eight-legs', with plural forms: octopuses, octopi, or octopodes, see below) is a cephalopod of the order Octopoda that inhabits many diverse regions of the ocean, especially coral reefs. The term may also refer to only those creatures in the genus Octopus. In the larger sense, there are 289 different octopus species, which is over one-third of the total number of known cephalopod species.
See more at Wikipedia.org...

Noun
1. tentacles of octopus prepared as food
(hypernym) seafood
(part-holonym) devilfish
2. bottom-living cephalopod having a soft oval body with eight long tentacles
(synonym) devilfish
(hypernym) octopod
(member-holonym) genus Octopus

n. octopus, eight-legged sea mollusk

n. octopus, carnivorous eight-legged sea creature with a large soft head and two rows of suckers on the underside of each leg (usually lives on the bottom of the ocean)