From WordNet (r) 3.0 (2006): silt n 1: mud or clay or small rocks deposited by a river or lake v 1: become chocked with silt; "The river silted up" [syn: silt up, silt]
silt n 1: mud or clay or small rocks deposited by a river or lake v 1: become chocked with silt; "The river silted up" [syn: silt up, silt]