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.
  Where do giant squids live? This has been a long standing question of scientists and the general public alike, but the natural habitat of giant squids, scientifically re â¦ ferred to as Architeuthis dux, is believed to be mostly found in oceanic depths that reach 660 to 2300 feet or 200 to 700 meters deep.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.