seashell

Definitions

The hard, protective outer layer created by a marine mollusk.

The empty shell of a marine animal found on a beach.

Examples

I found a beautiful seashell while walking along the shoreline.

She held the seashell to her ear to listen to the sound of the ocean.

Synonyms

conch shell mollusk shell bivalve seashell casing exoskeleton

Antonyms

flesh meat soft tissue organism living creature mollusk body