nautilus noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of nautilus noun from the Oxford Advanced American Dictionary

nautilus

noun

NAmE//ˈnɔt̮l̩əs//

(pl. nautiluses, nautili

NAmE//ˈnɔt̮l̩aɪ//

)

a creature with a shell that lives in the ocean. It has tentacles around its mouth and its shell fills with gas to help it float.

Want to learn more?

Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.

See nautilus in the Oxford Advanced Learner's Dictionary

Check pronunciation: nautilus