Definition of "gumshield" [gumshield]

• A piece of athletic equipment that protects an athlete's mouth. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "It's a mini blue light unit that's kind of gumshield stylee which you wear for 4 minutes twice daily, in conjunction with tooth whitening accelerator and gel that contain no peroxide."
• "Darren Staples/Reuters A man with an illuminated gumshield at the start of Diwali celebrations in Leicester, England, Sunday."
• "Good timing – had he done it before the World Cup he'd have had them out on strike for the gumshield fines."