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.
An octopus's garden. Adult giant Pacific octopus are stealthy hunters that eat a wide assortment of seafood, most commonly crabs, clams and other mussels. They catch their prey by surprise, using camouflage, jet propulsion and the sure grip that comes with having eight arms.