badge
noun
[ badʒ ]
• a small piece of metal, plastic, or cloth bearing a design or words, typically worn to identify a person or to indicate membership of an organization or support for a cause.
• "the badge of the Cheshire Regiment"
badge
verb
• mark with a badge or other distinguishing emblem.
• "vendors can badge their products ‘certified’"
Origin:
late Middle English: of unknown origin.