riverbed
Definition
Noun: A riverbed is the channel or the bottom part of a river where the water flows. It is the ground over which a river runs, and it can be made of rock, sand, or gravel. This term can also refer to a channel that was occupied by a river in the past but may now be dry.
Usage
The word riverbed is used to describe the physical, geographical feature of a river's course. It is a compound noun, but it functions as a single concept.
Examples
- After the drought, the riverbed was completely dry and cracked.
- Geologists studied the ancient riverbed to understand the region's history.
- The heavy rains caused the river to overflow its riverbed.
Advanced Usage
- Dry riverbed: A common phrase used to describe the channel of a river that has no water, either seasonally or permanently.
- We hiked across the dry riverbed to reach the canyon.
- The term can be used metaphorically to describe a path or channel for something non-physical, though this is less common.
- Her tears carved a riverbed of sorrow down her cheeks. (This is a poetic, figurative use.)
Variants and Related Words
- Streambed (noun): The channel of a stream or small river. This is a near synonym but typically implies a smaller watercourse.
- Channel (noun): A more general term for a length of water wider than a strait, joining two larger areas of water, or the bed of a river or stream.
- Watercourse (noun): A general term for a channel along which water flows, including rivers, streams, and brooks.
Synonyms
- Channel
- Streambed
- Bottom
- Course
Antonyms
- Riverbank (the land at the side of a river)
- Floodplain (the flat land beside a river that is prone to flooding)
Related Phrases
- River basin: The entire area of land drained by a river and its tributaries.
- River course: The path that a river follows from its source to its mouth, which includes the riverbed.
Noun
-
a channel occupied (or formerly occupied) by a river
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