gumshield

英 [ˈɡʌmʃiːld]

美 [ˈɡʌmʃiːld]

n.  (运动员所含的)护齿

复数：gumshields　

牛津词典

noun

• （运动员所含的）护齿
  a cover that a sports player wears in his/her mouth to protect the teeth and gums

英英释义

noun

• (especially boxing) equipment that protects an athlete's mouth
  Synonym:mouthpiece