The definition of a cooler chiller is a device used to cool and store food and beverages. It is typically used in restaurants, bars, and other food service establishments to keep food and drinks at a safe temperature. The cooler chiller works by circulating cold air around the food and beverages, thus keeping them cool. The cooler chiller also helps to reduce the risk of food spoilage and contamination. The temperature of the cooler chiller can be adjusted to meet the needs of the food and beverages being stored. The cooler chiller is an essential piece of equipment for any food service establishment, as it helps to keep food and drinks safe and at the correct temperature. It is also a great way to keep food and drinks cold for longer periods of time, making it ideal for outdoor events and gatherings.