noun Download 🔗Share A marine mollusc, of the family Nautilidae native to the Pacific Ocean and Indian Ocean, which has tentacles and a spiral shell with a series of air-filled chambers, of which Nautilus is the type genus. Examples : "While diving in the Pacific Ocean, the marine biologist spotted a beautiful nautilus with its distinctive spiral shell. " animal ocean nautical biology nature fish Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A kind of diving bell that sinks or rises by means of compressed air. Examples : "The old film showed a futuristic nautilus exploring the deep ocean using compressed air to control its depth. " nautical technology vehicle machine ocean device Chat with AIVocabulary GamePractice Reading
