Headband/ˈhedbænd/ Definition 1 of 2Pro Tip 1/3Fashion Accessory Headbands can be stylish accessories, often seen in fashion contexts. The fashion show featured models with glittery headbands. Pro Tip 2/3Sporty Function Athletes use headbands to prevent sweat from dripping into their eyes. During his workout, he always wears a headband. Pro Tip 3/3Hair Control People use headbands to keep hair away from the face, useful in many activities. She put on a headband to stop her hair from falling into her soup.