WordNet Dictionary- [n] mud or clay or small rocks deposited by a river or lake
- [v] become chocked with silt, of rivers and lakes
Webster's 1913 Dictionary\Silt\, n. [OE. silte gravel, fr. silen to drain, E. sile; probably of Scand. origin; cf. Sw. sila, prob. akin to AS. se['o]n to filter, s[=i]gan to fall, sink, cause to sink, G. seihen to strain, to filter, OHG. sihan, Icel. s[=i]>a, Skr. sic to pour; cf. Gr. ??? moisture. Cf. {Sig}, {Sile}.] Mud or fine earth deposited from running or standing water.\Silt\, v. t. [imp. & p. p. {Silted}; p. pr. & vb. n. {Silting}.] To choke, fill, or obstruct with silt or mud.\Silt\, v. i. To flow through crevices; to percolate.
Biology Dictionary- Particles in siliciclastic sediment that range in size from 0.0039 millimeters (very fine silt) to 0.0625 millimeters (coarse silt), according to the Udden-Wentworth scale. In field geology, a mudrock has silt in it if it feels smooth to the fingers but tastes gritty between the teeth. Silt and clay are collectively classified as mud.
- Earthy sediment of fine particles of rock and soil suspended in and carried by water.
- Substrate particles 0.004-0.062 mm in diameter.