What does vegetable shortening mean in cooking?

vegetable shortening means: Hydrogenated vegetable oil soybean and cottonseed so that it can be used as a solid fat. This is 100% fat without any water, milk fat or other solids. This fat is almost flavorless, and can be used to impart flakiness or tenderness. (in Cooking Dictionary)

What else does vegetable shortening mean?

• A vegetable oil which has been chemically modified and hydrogenated to a solid form. The process transforms the mixture to a saturated fat and eliminates any benefits from a polyunsaturated oil. (in Cooking Dictionary)