noun
- an invertebrate animal with a soft body that is usually protected by a hard shell
Usage: biology
Examples
- Snails and slugs are common mollusks found in gardens.
- The octopus is a mollusk that lacks an external shell.
- Clams and oysters are mollusks that live in water.
- The museum displayed various mollusk shells from around the world.
- Marine biologists study how mollusks adapt to different environments.
- Some mollusks like mussels attach themselves to rocks.