Definition of: silt

(silt) noun
1. An earthy sediment consisting of extremely fine particles of rock and soil suspended in and carried by water.
2. A deposit of such sediment, as at the mouth of a river.
—v.i.
1. To become filled or choked with silt: usually with up.
2. To ooze; drift.
—v.t.
3. To fill or choke with silt or mud: usually with up. [ME sylte. Cf. Dan. sylt salt marsh, Norw. sylta coast-land washed by the sea.]
—silt′y adjective