nau·ti·lus
noun/ˈnɔːtɪləs/
/ˈnɔːtɪləs/
- a creature with a shell that lives in the sea. It has tentacles around its mouth and its shell fills with gas to help it float.
鹦鹉螺 Word Originmodern Latin, from Latin, from Greek nautilos, literally ‘sailor’.