silt
/sɪlt/
verb
- To become filled or blocked with silt.
- The dam's reservoir is slowly silting, reducing its capacity.
- The old canal silted up over many years of neglect.
- Heavy rains caused the stream to silt, making it shallower.
noun
- Fine sand, clay, or other soil that is carried by flowing water and settles at the bottom of a river, lake, or ocean.
- Farmers use the rich silt from the Nile to fertilize their fields.
- The river deposited silt along its banks after the flood.
- The harbor needs to be dredged to remove the accumulated silt.