a relaxation or slackening of tensions or reserve; becoming less hostile; "the thaw between the United States and Russia has led to increased cooperation in world affairs"
warm weather following a freeze; snow and ice melt; "they welcomed the spring thaw"
the process whereby heat changes something from a solid to a liquid; "the power failure caused a refrigerator melt that was a disaster"; "the thawing of a frozen turkey takes several hours"
spread or diffuse through; "An atmosphere of distrust has permeated this administration"; "music penetrated the entire building"; "His campaign was riddled with accusations and personal attacks"
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"