Definition of nautilus
English to English noun - a submarine that is propelled by nuclear power
source: WordNet 3.0 - cephalopod mollusk of warm seas whose females have delicate papery spiral shells
source: WordNet 3.0 - cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions
source: WordNet 3.0 - 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.
source: Webster 1913
Visual Synonyms 
Nearby Word
nautilus, natals, nathless, naiadales, natutulog, nutlike, nettles, nodulose, noteless, nuttall's oak, natatalaga, nuttall oak, neonatology, nonetheless, netlike, needless, needlecase, nonmetallic, needlelike
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