nautilus

n 1: a submarine that is propelled by nuclear power [syn: {nuclear-powered

submarine}]

2: cephalopod mollusk of warm seas whose females have delicate

papery spiral shells [syn: {paper nautilus}, {Argonauta

argo}]

3: cephalopod of the Indian and Pacific oceans having a spiral

shell with pale pearly partitions [syn: {chambered

nautilus}, {pearly nautilus}]