Definitions for nautilusˈnɔt l əs, ˈnɒt-; ˈnɔt lˌaɪ, ˈnɒt-

This page provides all possible meanings and translations of the word nautilus

Princeton's WordNet

  1. nautilus, nuclear submarine, nuclear-powered submarine(noun)

    a submarine that is propelled by nuclear power

  2. paper nautilus, nautilus, Argonaut, Argonauta argo(noun)

    cephalopod mollusk of warm seas whose females have delicate papery spiral shells

  3. chambered nautilus, pearly nautilus, nautilus(noun)

    cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions

Wiktionary

  1. nautilus(Noun)

    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.

  2. Origin: From nautilus, from ναυτίλος.

Webster Dictionary

  1. Nautilus(noun)

    the only existing genus of tetrabranchiate cephalopods. About four species are found living in the tropical Pacific, but many other species are found fossil. The shell is spiral, symmetrical, and chambered, or divided into several cavities by simple curved partitions, which are traversed and connected together by a continuous and nearly central tube or siphuncle. See Tetrabranchiata

  2. Nautilus(noun)

    the argonaut; -- also called paper nautilus. See Argonauta, and Paper nautilus, under Paper

  3. Nautilus(noun)

    a variety of diving bell, the lateral as well as vertical motions of which are controlled, by the occupants

Freebase

  1. Nautilus

    Nautilus is the common name of pelagic marine mollusks of the cephalopod family Nautilidae, the sole extant family of the superfamily Nautilaceae and of its smaller but near equal suborder, Nautilina. It comprises six living species in two genera, the type of which is the genus Nautilus. Though it more specifically refers to species Nautilus pompilius, the name chambered nautilus is also used for any species of the Nautilidae. Nautilidae, both extant and extinct, are characterized by involute or slightly evolute shells that are generally smooth, with compressed or depressed whorl sections, straight to sinuous sutures, and a tubular, generally central siphuncle. Having survived relatively unchanged for millions of years, nautiluses represent the only living members of the subclass Nautiloidea, and are often considered "living fossils." The name "nautilus" originally referred to the pelagic octopuses of the genus Argonauta, otherwise known as paper nautiluses, as the ancients believed these animals used their two expanded arms as sails.

U.S. National Library of Medicine

  1. Nautilus

    The sole genus in the family Nautilidae, order Nautilida, comprised of CEPHALOPODS with spiral external shells that are separated into chambers.


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