What does 'chicken ala king' mean?

* Food that is generally served in a white sauce with mushrooms, green peppers, and pimentos

chefluis.com/cookingterms.html * Food heated in a rich white sauce, cream sauce or sherry-flavored sauce.

www.cyberpathway.com/whispers/food/cookterm.htm * an American dish of diced foods, usually chicken or turkey, in a cream sauce with pimientos, mushrooms, green peppers and sometimes sherry.

www.cooksrecipes.com/cooking-dictionary/A-2.html