nautilus

From Latin nautilus, from Ancient Greek ναυτίλος (nautílos, “paper nautilus, sailor”).

• (Received Pronunciation) IPA^(key): /ˈnɔː.tɪ.ləs/
• (General American) IPA^(key): /ˈnɔ.tɪ.ləs/, /ˈnɑ.tɪ.ləs/

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nautilus (plural nautiluses or nautili)

1. A marine mollusc, of the family Nautilidae native to the Pacific Ocean and Indian Ocean, which has tentacles and a spiral shell with a series of air-filled chambers, of which Nautilus is the type genus.
   • 1956, Arthur C. Clarke, The City and the Stars, page 44:

     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.

2. A kind of diving bell that sinks or rises by means of compressed air.

• chambered nautilus

• Nautilidae on Wikispecies.Wikispecies

• nautilos

From Ancient Greek ναυτίλος (nautílos, “nautilus, sailor”); see naval.

• (Classical) IPA^(key): /ˈnau̯.ti.lus/, [ˈnäu̯t̪ɪɫ̪ʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈnau̯.ti.lus/, [ˈnäːu̯t̪ilus]

nautilus m (genitive nautilī); second declension

1. paper nautilus, argonaut (genus Argonauta)

Second-declension noun.

• nauticus

• Catalan: nàutil
• English: nautilus
• French: nautile
• Italian: nautilo
• Portuguese: náutilo
• Romanian: nautil
• Spanish: nautilo
• Translingual: Nautilus

• “nautilus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• nautilus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.

nautilus m (plural nautiluși)

1. Alternative form of nautil