septum noun [C]. âº a âthin âpart âdividing âtissues or âspaces in an âorgan such as the ânose or âheart: the ânasal septum. (Definition of septum from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press). Browse. 1  septic.
Unfortunately, the giant squid Architeuthis has not been studied enough to make a comprehensive diet. From the few that have been dissected though, it was discovered that they would eat sperm whales that dive deep underwater.
Generally nocturnal, giant Pacific octopuses move about and do their hunting at night. They use their arms, each covered with approximately 200 suckers, to find and hold their prey. Depending on the type of prey, they may paralyze prey such as fish with a toxic saliva, then tear into it with their parrot-like beak.