| Silt 1. (n.) Mud or fine earth deposited from running or standing water. 2. (v. t.) To choke, fill, or obstruct with silt or mud. 3. (v. i.) To flow through crevices; to percolate. Thesaurus Entries 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 |