Nouns

(n)nautilus, nuclear submarine, nuclear-powered submarinea submarine that is propelled by nuclear power
(n)paper nautilus, nautilus, Argonaut, Argonauta argocephalopod mollusk of warm seas whose females have delicate papery spiral shells
(n)chambered nautilus, pearly nautilus, nautiluscephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions