The crossword solution for the term 'Cause to Wither' is 'PARCH'. Parching is a method of drying or preserving food by exposing it to heat, usually in the form of hot air. It is a traditional method of food preservation that has been used for centuries. Parching can be used to preserve grains, nuts, and other foods, as well as to create a variety of snacks. The heat causes the food to wither, which helps to preserve it and prevent spoilage.