Definition of slush

• n. - Soft mud.
• n. - A mixture of snow and water; half-melted snow.
• n. - A soft mixture of grease and other materials, used for lubrication.
• n. - The refuse grease and fat collected in cooking, especially on shipboard.
• n. - A mixture of white lead and lime, with which the bright parts of machines, such as the connecting rods of steamboats, are painted to be preserved from oxidation.
• v. t. - To smear with slush or grease; as, to slush a mast.
• v. t. - To paint with a mixture of white lead and lime.