Meaning : A submarine that is propelled by nuclear power.
Synonyms : nuclear submarine, nuclear-powered submarine
Meaning : Cephalopod mollusk of warm seas whose females have delicate papery spiral shells.
Synonyms : argonaut, argonauta argo, paper nautilus
Meaning : Cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions.
Synonyms : chambered nautilus, pearly nautilus