A La King Definition
älə kĭng, ălə
adjective
Cooked in a cream sauce with green pepper or pimiento and mushrooms.
American Heritage
adverb
Diced and served in a cream sauce containing mushrooms, pimentos, and green peppers.
Webster's New World
Origin of A La King
Perhaps after William King (died 1915), American cook said to have invented the dish at the Bellevue Hotel in Philadelpia
From American Heritage Dictionary of the English Language, 5th Edition