\Slush\, n. [Cf. Sw. slaska to paddle in water, slask wet,
filth.] [Written also {slosh}.]
1. Soft mud.
2. A mixture of snow and water; half-melted snow.
3. A soft mixture of grease and other materials, used for
   lubrication.
4. The refuse grease and fat collected in cooking, especially
   on shipboard.
5. (Mach.) 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.

\Slush\, v. t. [imp. & p. p. {Slushed}; p. pr. & vb. n.
{Slushing}.]
1. To smear with slush or grease; as, to slush a mast.
2. To paint with a mixture of white lead and lime.