The term 'CHECK THE FLAVOR OF' can be summarized by the crossword solution of 'TASTE', which is a five-letter word. This phrase is often used to describe the act of sampling food or drink in order to determine its flavor. It is also used to refer to the act of evaluating the quality of something, such as a product or service. Tasting is an important part of many culinary and hospitality professions, as it allows chefs and servers to ensure that their dishes and drinks are of the highest quality.