(n.) Water in which dishes have been washed.

bilge bilgewater bones cambric tea carrion chaff cobweb culm deadwood ditchwater draff dregs dust filings garbage gash gossamer gruel hair hogwash house of cards husks leavings lees matchwood milk and water offal offscourings orts parings potsherds rags raspings reed refuse riffraff rope of sand sand castle scourings scrap iron scraps scum scurf sewage sewerage shards shavings slack slag slop slops slough stubble sweepings swill tares thread wastage waste waste matter wastepaper water weeds