sand bar
Definition
- Noun:
- A ridge of sand formed by currents, especially in a river or along a shore: A "sand bar" is a natural, often submerged or partially exposed, accumulation of sand and sediment. It is typically created by the movement of water, such as waves, tides, or river currents, which deposit sand in a specific location.
Examples of Usage
- Noun:
- The boat ran aground on a hidden sand bar.
- We walked out to the sand bar that appeared at low tide.
- The river's course has changed due to the formation of a new sand bar.
Advanced Usage
Ecological Role: A sand bar can serve as a habitat for certain birds and marine life.
- The sand bar provides a crucial resting spot for migratory shorebirds.
Navigational Hazard: In maritime contexts, a sand bar is often discussed as an obstacle.
- The captain carefully charted a course to avoid the dangerous sand bars at the river's mouth.
Variants and Related Words
Sandbank (n): A more general term for a bank of sand, often used interchangeably with "sand bar," though sometimes implying a larger or slightly different formation.
- The ship was stranded on a sandbank.
Shoal (n): A shallow area in a body of water, which can be composed of sand, rock, or coral. A sand bar is a type of shoal.
- The navigational map marked the shoals to warn incoming vessels.
Synonyms
- Shoal: A shallow place in a body of water.
- Sandbank: A bank or ridge of sand.
Related Phrases
- To bar (v): While a distinct verb, it shares the etymological root related to forming a barrier or obstruction, which is the function of a sand bar.
- Fallen trees can bar the path of the stream.
Related Idioms
- No direct idioms feature "sand bar" itself. However, the concept is related to idioms about navigation and obstacles.
- "To be on the rocks" (to be in a state of disaster or ruin, originally a nautical term for a ship hitting rocks) conceptually relates to the hazard posed by a sand bar.
Noun
-
a bar of sand
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