nm. sediment, deposit, dregs, ground, lees, silt

v. subside, sink lower, settle to the bottom

nm. grounds, deposit, sediment

v. deposit, lay down (sand, mineral deposit, etc.)

n. sediment; grounds, dregs; hansel; silt

v. deposit, put a sum of money in a bank for safekeeping

(n.) = sediment.
Ex: Finally, the upkeep of these bridges was a massive task requiring the constant removal of sediment from river beds, piers and abutments.
----
* obturarse con sedimentos = silt.
* sedimento glacial = glacial till ; till.
* sedimento marino = sea sediment.
* sedimento residual = sludge.