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.
... the large uncertainty of supper from some farmer's well-filled table; but at last several comrades start out, and as they disappear the preparations for immediate consumption commence. The meat is too little to cook alone, and the flour will scarcely make six biscuits. The result is that "slosh" or "coosh" must do. So the bacon is fried out till the pan is half full of boiling grease. The flour is mixed with water until it flows like milk, poured into the grease and rapidly stirred till the whole is a dirty brown mixture. It is now ready to be served. Perhaps some dainty fellow ... — Detailed Minutiae of Soldier life in the Army of Northern Virginia, 1861-1865 • Carlton McCarthy
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