Answer: Creaming is a process refereed to several different culinary preparations.
Creaming in Baking, is the technique of blending ingredients usually granulated sugar, together with a solid fat like shortening or butter. The technique is most often used in making buttercream, cake batter or cookie dough.
Creaming in Cooking, is food that is prepared by slow simmering or poaching in milk or cream. Some typical creamed dishes include creamed corn and creamed chipped beef on toast. A similar technique used for soups involves adding milk or cream to the soup, either as part of the base stock, or as a finish. Some typical "cream of" soups are cream of tomato soup and cream of mushroom soup.
Creaming in Milk Production, is the process by which cream rises to the top of un-homogenized milk. In this sense, the word is similar to the term as it is used in chemistry.
Next Question: What is Deglaze / Deglazing?
Previous Question: What is Clarified Butter?