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.
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.
The Nautilus was piercing the water with its sharp spur, after having accomplished nearly ten thousand leagues in three months and a half, a distance greater than the great circle of the earth. Where were we going now, and what was reserved for the future? Jules Verne
If they had Nautilus on the Concorde, I would work out all the time. Linda Evangelista
I love Nautilus and stretching. The results are immediate, and that gives me the motivation to continue. Donna Dixon