Nautilus - Definition

n 1: a submarine that is propelled by nuclear power [syn:
nautilus, nuclear submarine, nuclear-powered
submarine]
2: cephalopod mollusk of warm seas whose females have delicate
papery spiral shells [syn: paper nautilus, nautilus,
Argonaut, Argonauta argo]
3: cephalopod of the Indian and Pacific oceans having a spiral
shell with pale pearly partitions [syn: chambered nautilus,
pearly nautilus, nautilus]