NAUTILUS • DICTIONARY ONE.COM • Definition of Nautilus

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/nˈɔtələs/ Listen

noun

Nautilus n. (pl. E. nautiluses, L. nautili)

(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.

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

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

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Etymology of 'Nautilus'

Collaborative International Dictionary of English 0.48

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"Nautilus" Quotes from Famous Books

... said the Doctor's voice behind them. "God help the ship that should touch that reef this day, though a nautilus might float in safety! See, how the groundswell is tearing away at those rocks; you can just distinguish the long heave of the water, before it breaks. There is the most dangerous groundswell in the world off this coast. Should this country ...

— The Recollections of Geoffrey Hamlyn • Henry Kingsley

... did not wish to see her again. With Mrs. Carleton Fleda had almost nothing at all in common. And that notwithstanding all this lady's politeness, intelligence, cultivation, and real kindness towards herself. Fleda would readily have given her credit for them all; and yet, the nautilus may as soon compare notes with the navigator, the canary might as well study Mlzel's metronome, as a child of nature and a woman of the world comprehend and suit each other. The nature of the ...

— Queechy, Volume I • Elizabeth Wetherell

... Like noiseless nautilus shells, their light prows sped through the sea; but only slowly they neared the foe. As they neared him, the ocean grew still more smooth; seemed drawing a carpet over its waves; seemed a noon-meadow, so serenely it spread. At length the breathless hunter came so nigh his seemingly unsuspecting ...

— Great Sea Stories • Various

... its heart of gold Above the purple hills; The eve, that spills Its nautilus splendor where the sea is rolled; The night, that leads the vast procession in Of stars and dreams,— The beauty that shall never die or pass:— The winds, that spin Of rain the misty mantles of the grass, And thunder raiment of ...

— Poems • Madison Cawein

... grew tame, and afterward, when he fed them, a real storm of white wings encircled him, and the old man went among the birds like a shepherd among sheep. When the tide ebbed he went to the low sand-banks, on which he collected savory periwinkles and beautiful pearl shells of the nautilus, which receding waves had left on the sand. In the night by the moonlight and the tower he went to catch fish, which frequented the windings of the cliff in myriads. At last he was in love with his rocks and his treeless ...

— Stories by Foreign Authors: Polish • Various

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