Examples of “nautilus” in a Sentence

noun A sea mollusk with tentacles and a spiral shell divided into air-filled chambers.

• Nautilidan cephalopods, represented today by the six living species of nautilus are thought to have diverged from other nautiloids in the Devonian period. — Mark Carnall, I, for one, welcome our new cephalopod overlords ... but what are they? (2016)
• He was still prepared to go on collecting all that life could offer, like a chambered nautilus patiently adding new cells to its slowly expanding spiral. — Arthur C. Clarke, The City and the Stars (1956)
• Living species of the externally shelled nautiluses do not possess an ink sac. — Mark Carnall, Why do cephalopods produce ink? And what's ink made of, anyway? (2017)
• The chambered nautilus is often used as a symbol of natural growth and proportion.