seashell
C2Pronunciation
UK
- /sˈiːʃɛl/
US
- /ˈsiˌʃɛl/
Description
- Beach treasure
- Hard cover of a sea animal
- Empty shell found on shore
A seashell is not just a pretty thing from the beach; it is the hard outer covering that a sea animal once lived in. Snails, clams, and oysters make these shells around their bodies for protection. After the animal leaves or dies, the empty shell may wash up on the shore, where people find it and keep it.
They come in many shapes, sizes, and colors, depending on the animal that made them. People collect them, decorate with them, or use them in crafts. Some people say you can hear the ocean if you hold one to your ear, but the sound is really just air moving around inside and around the shell.
A seashell is the hard, protective outer layer made by a sea animal, usually a marine mollusk such as a snail, clam, or oyster. These animals produce the shell over time, often from calcium carbonate, building layers that protect their soft bodies from harm and support them as they grow.
Seashells are not only beautiful; they are also very diverse. Their shape, size, color, and texture depend on the kind of animal that made them. Some are smooth and pearly, like oyster shells, while others are spiral-shaped and ridged, like whelk shells. They can be white, pink, orange, purple, or many other colors.
For centuries, people have used seashells in many ways. In the past, some cultures used them as tools, jewelry, or even money. Today, people collect them as souvenirs, use them in art and crafts, and study them to learn more about sea life and ocean environments.
People often hold one to their ear to "hear the ocean." You do not really hear the sea itself; the shell simply reflects and shapes the sounds around you. So when you find one on the beach, it is more than a pretty object. It is a small piece of sea life and a reminder of the many creatures that live beneath the waves.
Examples
- 1
Beach find
She found a small seashell near the water.
- 2
Beach collecting
The children spent the morning collecting seashells on the beach.
- 3
Listening
He held the seashell to his ear and smiled.
Forms and spellings
2 forms open this card.
Main spelling
- seashellnoun
Forms
- seashellspluralnoun