1. a band of absorbent material worn around the head or wrist to absorb sweat during physical activity
2. a band of leather or other material inside a hat that absorbs moisture from the wearer’s head

Examples

• The tennis player wore a white sweatband around her forehead.
• He pulled on his wristband sweatband before starting his workout.
• The basketball team all wore matching red sweatbands.
• The old fedora’s sweatband was stained and needed replacement.
• She adjusted her sweatband before beginning her morning jog.
• The hat’s leather sweatband had cracked with age.
• Professional athletes often wear sweatbands to keep perspiration out of their eyes.