Silt

n.	1.	Mud or fine earth deposited from running or standing water.
v. t.	1.	To choke, fill, or obstruct with silt or mud. [imp. & p. p. Silted; p. pr. & vb. n. Silting.]
v. i.	1.	To flow through crevices; to percolate.

Noun	1.	silt - mud or clay or small rocks deposited by a river or lake
Verb	1.	silt - become chocked with silt; "The river silted up" Synonyms: silt up

alluvion, alluvium, ash, cinder, clinker, debris, deposit, deposition, deposits, detritus, diluvium, draff, dregs, drift, dross, ember, feces, froth, grounds, lees, loess, moraine, offscum, ooze, precipitate, precipitation, scoria, scree, scum, sediment, settlings, sinter, slag, sludge, smut, soot, sublimate