Definitions of nautilus
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cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions
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synonyms:
chambered nautilus, pearly nautilus
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type of:
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cephalopod, cephalopod mollusk
marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles
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cephalopod, cephalopod mollusk
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cephalopod mollusk of warm seas whose females have delicate papery spiral shells
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synonyms:
Argonaut, Argonauta argo, paper nautilus
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type of:
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octopod
a cephalopod with eight arms but lacking an internal shell
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octopod
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a submarine that is propelled by nuclear power
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synonyms:
nuclear submarine, nuclear-powered submarine
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