1. A badge in the form of a short strip of red ribbon crossed over itself, worn to show one's support of the fight against, and of people affected by, HIV and AIDS
   "Many celebrities wore red ribbons at the awards ceremony to raise awareness";
   - AIDS ribbon
    
2. [US] A red ribbon awarded as a second-place prize
   "Her project earned a red ribbon at the science fair"

Derived forms: red ribbons

Encyclopedia: Red ribbon