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Nautilus   Listen
noun
Nautilus  n.  (pl. E. nautiluses, L. nautili)  
1.
(Zool.) 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. Note: The head of the animal bears numerous simple tapered arms, or tentacles, arranged in groups, but not furnished with suckers. The siphon, unlike, that of ordinary cephalopods, is not a closed tube, and is not used as a locomotive organ, but merely serves to conduct water to and from the gill cavity, which contains two pairs of gills. The animal occupies only the outer chamber of the shell; the others are filled with gas. It creeps over the bottom of the sea, not coming to the surface to swim or sail, as was formerly imagined.
2.
The argonaut; also called paper nautilus. See Argonauta, and Paper nautilus, under Paper.
3.
A variety of diving bell, the lateral as well as vertical motions of which are controlled, by the occupants.






Collaborative International Dictionary of English 0.48








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"Nautilus" Quotes from Famous Books



... and had no idea that they were hastening to the queen's palace; but, then, dwellers on land have so little notion of what goes on in the bottom of the sea! Certainly the little new fish had none. She had watched jelly-fish and nautilus swimming a little way below the surface, and beautiful coloured sea-weeds floating about; but that was all. Now, when she plunged deeper her eyes fell ...
— The Orange Fairy Book • Various

... plants having undergone more change since old geological periods than animals, are you not rather comparing plants with higher animals? Think how little some, indeed many, mollusca have changed. Remember Silurian Nautilus, Lingula and other Brachiopods, and Nucula, and amongst Echinoderms, ...
— More Letters of Charles Darwin - Volume I (of II) • Charles Darwin

... Mediterranean; they were to scamper about the decks by day, filling the ship with shouts and laughter—or read novels and poetry in the shade of the smokestacks, or watch for the jelly-fish and the nautilus over the side, and the shark, the whale, and other strange monsters of the deep; and at night they were to dance in the open air, on the upper deck, in the midst of a ballroom that stretched from horizon to horizon, and was domed by the bending heavens ...
— Innocents abroad • Mark Twain

... it can be had, we find it richly fossiliferous; but its organisms, with the exception of its Belemnites, are very imperfectly preserved. I dug up from under the trap-blocks some of the common Liasic Ammonites of the north-eastern coast of Scotland, a few of the septa of a large Nautilus, broken pieces of wood, and half-effaced casts of what seems a branched coral; but only minute portions of the shells have been converted into stone; here and there a few chambers in the whorls ...
— The Cruise of the Betsey • Hugh Miller

... June, 1872, Mr. Edward Lynde, the assistant cashier and bookkeeper of the Nautilus Bank at Rivermouth, found himself in a position to execute a plan which he had long meditated ...
— The Queen of Sheba & My Cousin the Colonel • Thomas Bailey Aldrich

... Nautilus is familiar to all, since, from the exquisite beauty of its shell, it is especially sought for by conchologists; but it is nevertheless not so common in our days as the Squids and Cuttle-Fishes, which are the most numerous modern representatives ...
— Atlantic Monthly, Vol. XI., April, 1863, No. LXVI. - A Magazine Of Literature, Art, And Politics. • Various

... through the loving lips she parted in her stormy dreams, like waves tossing the alabaster sails of the nautilus, or like some ear of Indian corn exposed in the gale that blows across the ...
— The Entailed Hat - Or, Patty Cannon's Times • George Alfred Townsend

... many admire him, and some wish him luck; But the Men of Gotham reached no good goal By going to sea in an open bowl. The business of brewing storms may do For a Witch, my GRANDOLPH, but scarce for you, And the Petrel-part, played early and late, Must spoil a man for a Pilot of State. The knowing Nautilus sets her sails In a way to weather the roughest gales; But an egg for bark, with an imp for crew, To navigate Politics' boundless blue, Looks crank and queer; Drifting comes dear— It may pay for a day, but scarce for a year. ...
— Punch, or the London Charivari, Vol. 98, April 12, 1890 • Various



Words linked to "Nautilus" :   paper nautilus, pigboat, genus Nautilus, U-boat, sub, octopod, nuclear-powered submarine, argonaut



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