nautilus Definition
- 1a marine mollusk with a spiral shell that is divided into a series of chambers, the outermost of which is closed off by a membrane pierced by numerous small holes.
- 2a submarine used for deep-sea research.
Using nautilus: Examples
Take a moment to familiarize yourself with how "nautilus" can be used in various situations through the following examples!
Example
The nautilus is a fascinating creature that has survived for millions of years.
Example
The team used a nautilus to explore the ocean floor.
Example
The nautilus shell is a popular decorative item.
nautilus Synonyms and Antonyms
Phrases with nautilus
a species of nautilus characterized by its intricate, spiraling shell with a series of internal chambers.
Example
The chambered nautilus is a living fossil that has remained virtually unchanged for millions of years.
a pelagic octopus named for the paper-thin eggcase that females secrete and use to protect their eggs.
Example
The paper nautilus is a beautiful and delicate creature that is rarely seen by humans.
a type of octopus that is also known as the paper nautilus.
Example
The argonaut is a fascinating creature that uses its tentacles to create a protective shell around its body.
Summary: nautilus in Brief
A 'nautilus' [ˈnɔːtɪləs] can refer to either a marine mollusk with a spiral shell divided into chambers or a submarine used for deep-sea research. The creature's shell is often used as a decorative item, and there are different types of nautiluses such as the chambered nautilus, paper nautilus, and argonaut.