silt
noun
[ sɪlt ]
• fine sand, clay, or other material carried by running water and deposited as a sediment, especially in a channel or harbour.
Similar:
sediment,
deposit,
alluvium,
mud,
slime,
ooze,
sludge,
sand,
clay,
clag,
silt
verb
• become filled or blocked with silt.
• "the river's mouth had silted up"
Similar:
become blocked,
become choked,
become clogged,
fill up (with silt),
become filled,
become dammed,
Origin:
late Middle English: probably originally denoting a salty deposit and of Scandinavian origin, related to Danish and Norwegian sylt ‘salt marsh’, also to salt.
