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silt up

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silt up

[for a body of water] to become filled with silt. The river moved too fast to silt up. The lake silted up in a very few years.

See also: up

silt up

v.

1. To become filled with silt: The old canal had silted up.

2. To fill, cover, or obstruct something with silt: River sediments gradually silted up the harbor. Parts of the creek were now too shallow for boats because the storm had silted it up.

See also: up