noun
- plural form of nautilus; marine mollusks with spiral shells or cephalopods related to squid and octopus
Usage: zoological
Examples
- The museum displayed several fossilized nautili from different geological periods.
- Marine biologists studied the swimming patterns of living nautili in the Pacific.
- Ancient nautili shells are prized by fossil collectors.
- The aquarium’s nautili exhibit shows these creatures in their natural habitat.
- Paleontologists discovered nautili fossils dating back millions of years.
- The spiral chambers of nautili shells demonstrate perfect mathematical proportions.