sandbar
/ˈsændˌbɑr/
noun
- A long, narrow ridge of sand in a body of water, formed by the action of waves or currents, often exposed at low tide.
- The sandbar shifted after the storm, changing the shape of the coastline.
- We walked along the sandbar that stretched out into the ocean at low tide.
- Swimmers should be careful of the sandbar because the water depth changes suddenly.