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.
During the day, giant squid live in the deep water. That is where they hunt deep sea fish and other squid.he water above the continental shelf is the neritic zone.  Underwater forest of kelp and grassy meadows of sea grass are home  to tiny fish, green turtles, sea cows, seahor â¦ ses and tiny shrimp.  Squid live in the twilight zone level.