n. (pl. nautiluses or nautili him() cephalopod mollusc with a spiral shell, esp. (pearly nautilus) one having a chambered shell. [Greek nautilos: related to NAUTICAL]
n. (pl. nautiluses or nautili him() cephalopod mollusc with a spiral shell, esp. (pearly nautilus) one having a chambered shell. [Greek nautilos: related to NAUTICAL]
