soften, usually by steeping in liquid, and cause to disintegrate as a result; "macerate peaches"; "the gizzards macerates the food in the digestive system"
become soft or separate and disintegrate as a result of excessive soaking; "the tissue macerated in the water"
a political organization within the Democratic Party in New York City (late 1800's and early 1900's) seeking political control by corruption and bossism