The term FOOD WORKER'S HEADWEAR can be summarized as a HAIRNET, which is a seven-letter word. A HAIRNET is a type of headwear worn by food workers to keep their hair from falling into the food they are preparing. It is usually made of lightweight mesh fabric and is designed to fit snugly around the head. Hairnets are an important part of food safety regulations, as they help to prevent contamination of food products.