n.
Function: intransitive verb
Date: 1799
: to become choked or obstructed with silt ― often used with up <the channel silt ed up>
transitive verb : to choke, fill, cover, or obstruct with silt or mud <the beaver had silt ed the creek ― Hugh Fosburgh>
– sil · ta · tion \ sil- ' t ā -sh ə n \ noun