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 forceful forward rush or flow; "from the bow she stared at the mesmerising onrush of the sea where it split and foamed"; "the explosion interrupted the wild onrush of her thoughts"