In cookery the term slake refers to the usage or application of a thickening agent. Corn flower can be used with certain liquids to act as a thickening agent. For instance a in a recipe for beef stir fry the sauce requires cornflower, soy sauce and hoi sin sauce. Certain oriental recipes employ coconut powder or grated coconut as a slaking or thickening ingredient to their gravies and sauces. But coconut also adds its unique flavour as well. Cornflower here is being used as a thickening agent. The usage of the word would be "cornflower, soy sauce and hoi sin sauce have to be slaked together.
The literary meaning of the term is somewhat different where it refers to quenching or satisfying some need or want.
The literary meaning of the term is somewhat different where it refers to quenching or satisfying some need or want.