noun
    
    [noncount] :sand, soil, mud, etc., that is carried by flowing water and that sinks to the bottom of a river, pond, etc.
    
    verb
    
    silts; silted; silting
    
    [no obj] :to become blocked, filled, or covered with silt
    
    
    
    
    
    [+ obj] :to block, fill, or cover (something) with silt