nautilus [ˈnɔːtɪləs] (pl. nautiluses 或 nautili -lʌɪ, -liː)
a cephalopod mollusc with a light external spiral shell and numerous short tentacles around the mouth. Nautiluses swim with the buoyant gas-filled shell upright and descend to greater depths during the day 鹦鹉螺
Genus Nautilus, the only surviving genus of the subclass Nautiloidea: several species, in particular the pearly nautilus 鹦鹉螺属,鹦鹉螺亚纲中仅存的属:数种,尤指珍珠鹦鹉螺
(亦作 paper nautilus). another term for argonaut 同 argonaut
语源
modern Latin, from Latin, from Greek nautilos, literally 'sailor'