to gradually form into a layer, pile, or masssilt accreting at the mouth of the river over time
silt accreting at the mouth of the river over time
accumulate, amass, build up, collect, concentrate, conglomerate, gather, mass, pile (up), stack (up)
agglutinate, clump, lumpbank, drift, ridge
disperse, dissipate, scatter
in 1712
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