macerate -- (separate into constituents by soaking)
macerate -- (become soft or separate and disintegrate as a result of excessive soaking; "the tissue macerated in the water")
macerate -- (soften, usually by steeping in liquid, and cause to disintegrate as a result; "macerate peaches"; "the gizzards macerates the food in the digestive system")
waste, emaciate, macerate -- (cause to grow thin or weak; "The treatment emaciated him")