1. a band worn around the wrist, especially for identification, support, or decoration

Examples

• The hospital patient wore a plastic wristband with her name and medical information.
• Concert-goers received colorful wristbands to show they had paid admission.
• The tennis player wore a sweat-absorbing wristband during the match.
• Security guards checked everyone’s wristbands at the festival entrance.
• She collected charity wristbands from various causes she supported.
• The gym issued electronic wristbands to track members’ workouts.