shortening means: White, tasteless and solid fat that is formulated to bake or deep fry. It can also be used in baking as a tenderizer by reducing gluten strands. (in Cooking Dictionary)

What else does shortening mean?

Shortening is good for holding air but has very little flavor. This is a solid fat. Use butter instead for baking. (in Cooking Dictionary)

Butter or lard is a fat used in making pastry or cakes light and flaky. (in Merlin Dictionary)

An abbreviated form of something. (in Merlin Dictionary)

One that reduces. (in Merlin Dictionary)

A shorter act/process. (in Merlin Dictionary)